Anti-Aliased Curvy Corners

/****************************************************************
  *                                                              *
  *  curvyCorners                                                *
  *  ------------                                                *
  *                                                              *
  *  This script generates rounded corners for your divs.        *
  *                                                              *
  *  Version 1.2.9                                               *
  *  Copyright (c) 2006 Cameron Cooke                            *
  *  By: Cameron Cooke and Tim Hutchison.                        *
  *                                                              *
  *                                                              *
  *  Website: http://www.curvycorners.net                        *
  *  Email:   info@totalinfinity.com                             *
  *  Forum:   http://www.curvycorners.net/forum/                 *
  *                                                              *
  *                                                              *
  *  This library is free software; you can redistribute         *
  *  it and/or modify it under the terms of the GNU              *
  *  Lesser General Public License as published by the           *
  *  Free Software Foundation; either version 2.1 of the         *
  *  License, or (at your option) any later version.             *
  *                                                              *
  *  This library is distributed in the hope that it will        *
  *  be useful, but WITHOUT ANY WARRANTY; without even the       *
  *  implied warranty of MERCHANTABILITY or FITNESS FOR A        *
  *  PARTICULAR PURPOSE. See the GNU Lesser General Public       *
  *  License for more details.                                   *
  *                                                              *
  *  You should have received a copy of the GNU Lesser           *
  *  General Public License along with this library;             *
  *  Inc., 59 Temple Place, Suite 330, Boston,                   *
  *  MA 02111-1307 USA                                           *
  *                                                              *
  ****************************************************************/
 
  // Browser detection
  var isIE     = navigator.userAgent.toLowerCase().indexOf("msie") > -1;
  var isMoz    = document.implementation && document.implementation.createDocument;
  var isSafari = ((navigator.userAgent.toLowerCase().indexOf('safari')!=-1)&&(navigator.userAgent.toLowerCase().indexOf('mac')!=-1))?true:false;
 
  /*
  Usage:
 
  newCornersObj = new curvyCorners(settingsObj, "classNameStr");
  newCornersObj = new curvyCorners(settingsObj, divObj1[, divObj2[, divObj3[, . . . [, divObjN]]]]);
  */
  function curvyCorners()
  {
      // Check parameters
      if(typeof(arguments[0]) != "object") throw newCurvyError("First parameter of curvyCorners() must be an object.");
      if(typeof(arguments[1]) != "object" && typeof(arguments[1]) != "string") throw newCurvyError("Second parameter of curvyCorners() must be an object or a class name.");
 
      // Get object(s)
      if(typeof(arguments[1]) == "string")
      {
          // Get elements by class name
          var startIndex = 0;
          var boxCol = getElementsByClass(arguments[1]);
      }
      else
      {
          // Get objects
          var startIndex = 1;
          var boxCol = arguments;
      }
 
      // Create return collection/object
      var curvyCornersCol = new Array();
 
      // Create array of html elements that can have rounded corners
      if(arguments[0].validTags)
        var validElements = arguments[0].validTags;
      else
        var validElements = ["div"]; // Default
 
      // Loop through each argument
      for(var i = startIndex, j = boxCol.length; i < j; i++)
      {
          // Current element tag name
          var currentTag = boxCol[i].tagName.toLowerCase();
 
          if(inArray(validElements, currentTag) !== false)
          {
              curvyCornersCol[curvyCornersCol.length] = new curvyObject(arguments[0], boxCol[i]);
          }
      }
 
      this.objects = curvyCornersCol;
 
      // Applys the curvyCorners to all objects
      this.applyCornersToAll = function()
      {
          for(var x = 0, k = this.objects.length; x < k; x++)
          {
              this.objects[x].applyCorners();
          }
      }
  }
 
  // curvyCorners object (can be called directly)
  function curvyObject()
  {
      // Setup Globals
      this.box              = arguments[1];
      this.settings         = arguments[0];
      this.topContainer     = null;
      this.bottomContainer  = null;
      this.masterCorners    = new Array();
      this.contentDIV       = null;
 
      // Get box formatting details
      var boxHeight       = get_style(this.box, "height", "height");
      var boxWidth        = get_style(this.box, "width", "width");
      var borderWidth     = get_style(this.box, "borderTopWidth", "border-top-width");
      var borderColour    = get_style(this.box, "borderTopColor", "border-top-color");
      var boxColour       = get_style(this.box, "backgroundColor", "background-color");
      var backgroundImage = get_style(this.box, "backgroundImage", "background-image");
      var boxPosition     = get_style(this.box, "position", "position");
      var boxPadding      = get_style(this.box, "paddingTop", "padding-top");
 
      // Set formatting propertes
      this.boxHeight       = parseInt(((boxHeight != "" && boxHeight != "auto" && boxHeight.indexOf("%") == -1)? boxHeight.substring(0, boxHeight.indexOf("px")) : this.box.scrollHeight));
      this.boxWidth        = parseInt(((boxWidth != "" && boxWidth != "auto" && boxWidth.indexOf("%") == -1)? boxWidth.substring(0, boxWidth.indexOf("px")) : this.box.scrollWidth));
      this.borderWidth     = parseInt(((borderWidth != "" && borderWidth.indexOf("px") !== -1)? borderWidth.slice(0, borderWidth.indexOf("px")) : 0));
      this.boxColour       = format_colour(boxColour);
      this.boxPadding      = parseInt(((boxPadding != "" && boxPadding.indexOf("px") !== -1)? boxPadding.slice(0, boxPadding.indexOf("px")) : 0));
      this.borderColour    = format_colour(borderColour);
      this.borderString    = this.borderWidth + "px" + " solid " + this.borderColour;
      this.backgroundImage = ((backgroundImage != "none")? backgroundImage : "");
      this.boxContent      = this.box.innerHTML;
 
      // Make box relative if not already absolute and remove any padding
      if(boxPosition != "absolute") this.box.style.position = "relative";
      this.box.style.padding = "0px";
 
      // If IE and height and width are not set, we need to set width so that we get positioning
      if(isIE && boxWidth == "auto" && boxHeight == "auto") this.box.style.width = "100%";
 
      // Resize box so that it stays to the orignal height
 
 
      // Remove content if box is using autoPad
      if(this.settings.autoPad == true && this.boxPadding > 0)
        this.box.innerHTML = "";
 
      /*
      This method creates the corners and
      applies them to the div element.
      */
      this.applyCorners = function()
      {
          /*
          Create top and bottom containers.
          These will be used as a parent for the corners and bars.
          */
          for(var t = 0; t < 2; t++)
          {
              switch(t)
              {
                  // Top
                  case 0:
 
                      // Only build top bar if a top corner is to be draw
                      if(this.settings.tl || this.settings.tr)
                      {
                          var newMainContainer = document.createElement("DIV");
                          newMainContainer.style.width    = "100%";
                          newMainContainer.style.fontSize = "1px";
                          newMainContainer.style.overflow = "hidden";
                          newMainContainer.style.position = "absolute";
                          newMainContainer.style.paddingLeft  = this.borderWidth + "px";
                          newMainContainer.style.paddingRight = this.borderWidth + "px";
                          var topMaxRadius = Math.max(this.settings.tl ? this.settings.tl.radius : 0, this.settings.tr ? this.settings.tr.radius : 0);
                          newMainContainer.style.height = topMaxRadius + "px";
                          newMainContainer.style.top    = 0 - topMaxRadius + "px";
                          newMainContainer.style.left   = 0 - this.borderWidth + "px";
                          this.topContainer = this.box.appendChild(newMainContainer);
                      }
                      break;
 
                  // Bottom
                  case 1:
 
                      // Only build bottom bar if a top corner is to be draw
                      if(this.settings.bl || this.settings.br)
                      {
                          var newMainContainer = document.createElement("DIV");
                          newMainContainer.style.width    = "100%";
                          newMainContainer.style.fontSize = "1px";
                          newMainContainer.style.overflow = "hidden";
                          newMainContainer.style.position = "absolute";
                          newMainContainer.style.paddingLeft  = this.borderWidth + "px";
                          newMainContainer.style.paddingRight = this.borderWidth + "px";
                          var botMaxRadius = Math.max(this.settings.bl ? this.settings.bl.radius : 0, this.settings.br ? this.settings.br.radius : 0);
                          newMainContainer.style.height  = botMaxRadius + "px";
                          newMainContainer.style.bottom  =  0 - botMaxRadius + "px";
                          newMainContainer.style.left    =  0 - this.borderWidth + "px";
                          this.bottomContainer = this.box.appendChild(newMainContainer);
                      }
                      break;
              }
          }
 
          // Turn off current borders
          if(this.topContainer) this.box.style.borderTopWidth = "0px";
          if(this.bottomContainer) this.box.style.borderBottomWidth = "0px";
 
          // Create array of available corners
          var corners = ["tr", "tl", "br", "bl"];
 
          /*
          Loop for each corner
          */
          for(var i in corners)
          {
              // FIX for prototype lib
              if(i > -1 < 4)
              {
                  // Get current corner type from array
                  var cc = corners[i];
 
                  // Has the user requested the currentCorner be round?
                  if(!this.settings[cc])
                  {
                      // No
                      if(((cc == "tr" || cc == "tl") && this.topContainer != null) || ((cc == "br" || cc == "bl") && this.bottomContainer != null))
                      {
                          // We need to create a filler div to fill the space upto the next horzontal corner.
                          var newCorner = document.createElement("DIV");
 
                          // Setup corners properties
                          newCorner.style.position = "relative";
                          newCorner.style.fontSize = "1px";
                          newCorner.style.overflow = "hidden";
 
                          // Add background image?
                          if(this.backgroundImage == "")
                            newCorner.style.backgroundColor = this.boxColour;
                          else
                            newCorner.style.backgroundImage = this.backgroundImage;
 
                          switch(cc)
                          {
                              case "tl":
                                  newCorner.style.height      = topMaxRadius - this.borderWidth + "px";
                                  newCorner.style.marginRight = this.settings.tr.radius - (this.borderWidth*2) + "px";
                                  newCorner.style.borderLeft  = this.borderString;
                                  newCorner.style.borderTop   = this.borderString;
                                  newCorner.style.left        = -this.borderWidth + "px";
                                  break;
 
                              case "tr":
                                  newCorner.style.height      = topMaxRadius - this.borderWidth + "px";
                                  newCorner.style.marginLeft  = this.settings.tl.radius - (this.borderWidth*2) + "px";
                                  newCorner.style.borderRight = this.borderString;
                                  newCorner.style.borderTop   = this.borderString;
                                  newCorner.style.backgroundPosition  = "-" + (topMaxRadius + this.borderWidth) + "px 0px";
                                  newCorner.style.left        = this.borderWidth + "px";
                                  break;
 
                              case "bl":
                                  newCorner.style.height       = botMaxRadius - this.borderWidth + "px";
                                  newCorner.style.marginRight  = this.settings.br.radius - (this.borderWidth*2) + "px";
                                  newCorner.style.borderLeft   = this.borderString;
                                  newCorner.style.borderBottom = this.borderString;
                                  newCorner.style.left         = -this.borderWidth + "px";
                                  newCorner.style.backgroundPosition = "-" + (this.borderWidth) + "px -" + (this.boxHeight + (botMaxRadius + this.borderWidth)) + "px";
                                  break;
 
                              case "br":
                                  newCorner.style.height       = botMaxRadius - this.borderWidth + "px";
                                  newCorner.style.marginLeft   = this.settings.bl.radius - (this.borderWidth*2) + "px";
                                  newCorner.style.borderRight  = this.borderString;
                                  newCorner.style.borderBottom = this.borderString;
                                  newCorner.style.left         = this.borderWidth + "px"
                                  newCorner.style.backgroundPosition = "-" + (botMaxRadius + this.borderWidth) + "px -" + (this.boxHeight + (botMaxRadius + this.borderWidth)) + "px";
                                  break;
                          }
                      }
                  }
                  else
                  {
                      /*
                      PERFORMANCE NOTE:
 
                      If more than one corner is requested and a corner has been already
                      created for the same radius then that corner will be used as a master and cloned.
                      The pixel bars will then be repositioned to form the new corner type.
                      All new corners start as a bottom right corner.
                      */
                      if(this.masterCorners[this.settings[cc].radius])
                      {
                          // Create clone of the master corner
                          var newCorner = this.masterCorners[this.settings[cc].radius].cloneNode(true);
                      }
                      else
                      {
                          // Yes, we need to create a new corner
                          var newCorner = document.createElement("DIV");
                          newCorner.style.height = this.settings[cc].radius + "px";
                          newCorner.style.width  = this.settings[cc].radius + "px";
                          newCorner.style.position = "absolute";
                          newCorner.style.fontSize = "1px";
                          newCorner.style.overflow = "hidden";
 
                          // THE FOLLOWING BLOCK OF CODE CREATES A ROUNDED CORNER
                          // ---------------------------------------------------- TOP
 
                          // Get border radius
                          var borderRadius = parseInt(this.settings[cc].radius - this.borderWidth);
 
                          // Cycle the x-axis
                          for(var intx = 0, j = this.settings[cc].radius; intx < j; intx++)
                          {
                              // Calculate the value of y1 which identifies the pixels inside the border
                              if((intx +1) >= borderRadius)
                                var y1 = -1;
                              else
                                var y1 = (Math.floor(Math.sqrt(Math.pow(borderRadius, 2) - Math.pow((intx+1), 2))) - 1);
 
                              // Only calculate y2 and y3 if there is a border defined
                              if(borderRadius != j)
                              {
                                  if((intx) >= borderRadius)
                                    var y2 = -1;
                                  else
                                    var y2 = Math.ceil(Math.sqrt(Math.pow(borderRadius,2) - Math.pow(intx, 2)));
 
                                  if((intx+1) >= j)
                                    var y3 = -1;
                                  else
                                    var y3 = (Math.floor(Math.sqrt(Math.pow(j ,2) - Math.pow((intx+1), 2))) - 1);
                              }
 
                              // Calculate y4
                              if((intx) >= j)
                                var y4 = -1;
                              else
                                var y4 = Math.ceil(Math.sqrt(Math.pow(j ,2) - Math.pow(intx, 2)));
 
                              // Draw bar on inside of the border with foreground colour
                              if(y1 > -1) this.drawPixel(intx, 0, this.boxColour, 100, (y1+1), newCorner, -1, this.settings[cc].radius);
 
                              // Only draw border/foreground antialiased pixels and border if there is a border defined
                              if(borderRadius != j)
                              {
                                  // Cycle the y-axis
                                  for(var inty = (y1 + 1); inty < y2; inty++)
                                  {
                                      // Draw anti-alias pixels
                                      if(this.settings.antiAlias)
                                      {
                                          // For each of the pixels that need anti aliasing between the foreground and border colour draw single pixel divs
                                          if(this.backgroundImage != "")
                                          {
                                              var borderFract = (pixelFraction(intx, inty, borderRadius) * 100);
 
                                              if(borderFract < 30)
                                              {
										                                        this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, 0, this.settings[cc].radius);
                                              }
									                                     else
                                              {
									                                         this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, -1, this.settings[cc].radius);
                                              }
                                          }
                                          else
                                          {
                                              var pixelcolour = BlendColour(this.boxColour, this.borderColour, pixelFraction(intx, inty, borderRadius));
                                              this.drawPixel(intx, inty, pixelcolour, 100, 1, newCorner, 0, this.settings[cc].radius, cc);
                                          }
                                      }
                                  }
 
                                  // Draw bar for the border
                                  if(this.settings.antiAlias)
                                  {
                                      if(y3 >= y2)
                                      {
                                         if (y2 == -1) y2 = 0;
                                         this.drawPixel(intx, y2, this.borderColour, 100, (y3 - y2 + 1), newCorner, 0, 0);
                                      }
                                  }
                                  else
                                  {
                                      if(y3 >= y1)
                                      {
                                          this.drawPixel(intx, (y1 + 1), this.borderColour, 100, (y3 - y1), newCorner, 0, 0);
                                      }
                                  }
 
                                  // Set the colour for the outside curve
                                  var outsideColour = this.borderColour;
                              }
                              else
                              {
                                  // Set the coour for the outside curve
                                  var outsideColour = this.boxColour;
                                  var y3 = y1;
                              }
 
                              // Draw aa pixels?
                              if(this.settings.antiAlias)
                              {
                                  // Cycle the y-axis and draw the anti aliased pixels on the outside of the curve
                                  for(var inty = (y3 + 1); inty < y4; inty++)
                                  {
                                      // For each of the pixels that need anti aliasing between the foreground/border colour & background draw single pixel divs
                                      this.drawPixel(intx, inty, outsideColour, (pixelFraction(intx, inty , j) * 100), 1, newCorner, ((this.borderWidth > 0)? 0 : -1), this.settings[cc].radius);
                                  }
                              }
                          }
 
                          // END OF CORNER CREATION
                          // ---------------------------------------------------- END
 
                          // We now need to store the current corner in the masterConers array
                          this.masterCorners[this.settings[cc].radius] = newCorner.cloneNode(true);
                      }
 
                      /*
                      Now we have a new corner we need to reposition all the pixels unless
                      the current corner is the bottom right.
                      */
                      if(cc != "br")
                      {
                          // Loop through all children (pixel bars)
                          for(var t = 0, k = newCorner.childNodes.length; t < k; t++)
                          {
                              // Get current pixel bar
                              var pixelBar = newCorner.childNodes[t];
 
                              // Get current top and left properties
                              var pixelBarTop    = parseInt(pixelBar.style.top.substring(0, pixelBar.style.top.indexOf("px")));
                              var pixelBarLeft   = parseInt(pixelBar.style.left.substring(0, pixelBar.style.left.indexOf("px")));
                              var pixelBarHeight = parseInt(pixelBar.style.height.substring(0, pixelBar.style.height.indexOf("px")));
 
                              // Reposition pixels
                              if(cc == "tl" || cc == "bl"){
                                  pixelBar.style.left = this.settings[cc].radius -pixelBarLeft -1 + "px"; // Left
                              }
                              if(cc == "tr" || cc == "tl"){
                                  pixelBar.style.top =  this.settings[cc].radius -pixelBarHeight -pixelBarTop + "px"; // Top
                              }
 
                              switch(cc)
                              {
                                  case "tr":
                                      pixelBar.style.backgroundPosition  = "-" + Math.abs((this.boxWidth - this.settings[cc].radius + this.borderWidth) + pixelBarLeft) + "px -" + Math.abs(this.settings[cc].radius -pixelBarHeight -pixelBarTop - this.borderWidth) + "px";
                                      break;
 
                                  case "tl":
                                      pixelBar.style.backgroundPosition = "-" + Math.abs((this.settings[cc].radius -pixelBarLeft -1)  - this.borderWidth) + "px -" + Math.abs(this.settings[cc].radius -pixelBarHeight -pixelBarTop - this.borderWidth) + "px";
                                      break;
 
                                  case "bl":
                                      pixelBar.style.backgroundPosition = "-" + Math.abs((this.settings[cc].radius -pixelBarLeft -1) - this.borderWidth) + "px -" + Math.abs((this.boxHeight + this.settings[cc].radius + pixelBarTop) -this.borderWidth) + "px";
                                      break;
                              }
                          }
                      }
                  }
 
                  if(newCorner)
                  {
                      // Position the container
                      switch(cc)
                      {
                          case "tl":
                            if(newCorner.style.position == "absolute") newCorner.style.top  = "0px";
                            if(newCorner.style.position == "absolute") newCorner.style.left = "0px";
                            if(this.topContainer) this.topContainer.appendChild(newCorner);
                            break;
 
                          case "tr":
                            if(newCorner.style.position == "absolute") newCorner.style.top  = "0px";
                            if(newCorner.style.position == "absolute") newCorner.style.right = "0px";
                            if(this.topContainer) this.topContainer.appendChild(newCorner);
                            break;
 
                          case "bl":
                            if(newCorner.style.position == "absolute") newCorner.style.bottom  = "0px";
                            if(newCorner.style.position == "absolute") newCorner.style.left = "0px";
                            if(this.bottomContainer) this.bottomContainer.appendChild(newCorner);
                            break;
 
                          case "br":
                            if(newCorner.style.position == "absolute") newCorner.style.bottom   = "0px";
                            if(newCorner.style.position == "absolute") newCorner.style.right = "0px";
                            if(this.bottomContainer) this.bottomContainer.appendChild(newCorner);
                            break;
                      }
                  }
              }
          }
 
          /*
          The last thing to do is draw the rest of the filler DIVs.
          We only need to create a filler DIVs when two corners have
          diffrent radiuses in either the top or bottom container.
          */
 
          // Find out which corner has the biiger radius and get the difference amount
          var radiusDiff = new Array();
          radiusDiff["t"] = Math.abs(this.settings.tl.radius - this.settings.tr.radius)
          radiusDiff["b"] = Math.abs(this.settings.bl.radius - this.settings.br.radius);
 
          for(z in radiusDiff)
          {
              // FIX for prototype lib
              if(z == "t" || z == "b")
              {
                  if(radiusDiff[z])
                  {
                      // Get the type of corner that is the smaller one
                      var smallerCornerType = ((this.settings[z + "l"].radius < this.settings[z + "r"].radius)? z +"l" : z +"r");
 
                      // First we need to create a DIV for the space under the smaller corner
                      var newFiller = document.createElement("DIV");
                      newFiller.style.height = radiusDiff[z] + "px";
                      newFiller.style.width  =  this.settings[smallerCornerType].radius+ "px"
                      newFiller.style.position = "absolute";
                      newFiller.style.fontSize = "1px";
                      newFiller.style.overflow = "hidden";
                      newFiller.style.backgroundColor = this.boxColour;
                      //newFiller.style.backgroundColor = get_random_color();
 
                      // Position filler
                      switch(smallerCornerType)
                      {
                          case "tl":
                              newFiller.style.bottom = "0px";
                              newFiller.style.left   = "0px";
                              newFiller.style.borderLeft = this.borderString;
                              this.topContainer.appendChild(newFiller);
                              break;
 
                          case "tr":
                              newFiller.style.bottom = "0px";
                              newFiller.style.right  = "0px";
                              newFiller.style.borderRight = this.borderString;
                              this.topContainer.appendChild(newFiller);
                              break;
 
                          case "bl":
                              newFiller.style.top    = "0px";
                              newFiller.style.left   = "0px";
                              newFiller.style.borderLeft = this.borderString;
                              this.bottomContainer.appendChild(newFiller);
                              break;
 
                          case "br":
                              newFiller.style.top    = "0px";
                              newFiller.style.right  = "0px";
                              newFiller.style.borderRight = this.borderString;
                              this.bottomContainer.appendChild(newFiller);
                              break;
                      }
                  }
 
                  // Create the bar to fill the gap between each corner horizontally
                  var newFillerBar = document.createElement("DIV");
                  newFillerBar.style.position = "relative";
                  newFillerBar.style.fontSize = "1px";
                  newFillerBar.style.overflow = "hidden";
                  newFillerBar.style.backgroundColor = this.boxColour;
                  newFillerBar.style.backgroundImage = this.backgroundImage;
 
                  switch(z)
                  {
                      case "t":
                          // Top Bar
                          if(this.topContainer)
                          {
                              // Edit by Asger Hallas: Check if settings.xx.radius is not false
                              if(this.settings.tl.radius && this.settings.tr.radius)
                              {
                                  newFillerBar.style.height      = topMaxRadius - this.borderWidth + "px";
                                  newFillerBar.style.marginLeft  = this.settings.tl.radius - this.borderWidth + "px";
                                  newFillerBar.style.marginRight = this.settings.tr.radius - this.borderWidth + "px";
                                  newFillerBar.style.borderTop   = this.borderString;
 
                                  if(this.backgroundImage != "")
                                    newFillerBar.style.backgroundPosition  = "-" + (topMaxRadius + this.borderWidth) + "px 0px";
 
                                  this.topContainer.appendChild(newFillerBar);
                              }
 
                              // Repos the boxes background image
                              this.box.style.backgroundPosition      = "0px -" + (topMaxRadius - this.borderWidth) + "px";
                          }
                          break;
 
                      case "b":
                          if(this.bottomContainer)
                          {
                              // Edit by Asger Hallas: Check if settings.xx.radius is not false
                              if(this.settings.bl.radius && this.settings.br.radius)
                              {
                                  // Bottom Bar
                                  newFillerBar.style.height       = botMaxRadius - this.borderWidth + "px";
                                  newFillerBar.style.marginLeft   = this.settings.bl.radius - this.borderWidth + "px";
                                  newFillerBar.style.marginRight  = this.settings.br.radius - this.borderWidth + "px";
                                  newFillerBar.style.borderBottom = this.borderString;
 
                                  if(this.backgroundImage != "")
                                    newFillerBar.style.backgroundPosition  = "-" + (botMaxRadius + this.borderWidth) + "px -" + (this.boxHeight + (topMaxRadius + this.borderWidth)) + "px";
 
                                  this.bottomContainer.appendChild(newFillerBar);
                              }
                          }
                          break;
                  }
              }
          }
 
          /*
          AutoPad! apply padding if set.
          */
          if(this.settings.autoPad == true && this.boxPadding > 0)
          {
              // Create content container
              var contentContainer = document.createElement("DIV");
 
              // Set contentContainer's properties
              contentContainer.style.position = "relative";
              contentContainer.innerHTML      = this.boxContent;
              contentContainer.className      = "autoPadDiv";
 
              // Get padding amounts
              var topPadding = Math.abs(topMaxRadius - this.boxPadding);
              var botPadding = Math.abs(botMaxRadius - this.boxPadding);
 
              // Apply top padding
              if(topMaxRadius < this.boxPadding)
                contentContainer.style.paddingTop = topPadding + "px";
 
              // Apply Bottom padding