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at October 21, 2006 20:57 by dividespace
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/******************************************************************************* * ruthsarian_utilities.js : 2006.02.27 * ----------------------------------------------------------------------------- * A group of useful JavaScript utilities that can aid in the development * of webpages. Credit and source of code is given before each set of * functions. *******************************************************************************/ /* event_attach() takes care of attaching event handlers (functions) to events. * this simplifies the process of attaching multiple handlers to a single event * * NOTE: the onload stack is executed in a LIFO manner to mimic * IE's window.attachEvent function. However, Opera also has its own * window.attachEvent function which executes the onload stack in a * FIFO manner. FIFO is better, but IE has a larger user base, so * LIFO is the way we go. */ function event_attach( event , func ) { if ( window.attachEvent ) { window.attachEvent( event , func ); } else { if ( ( typeof( func ) ).toLowerCase() != 'function' ) { return; } if ( ( typeof( document.event_handlers ) ).toLowerCase() == 'undefined' ) { document.event_handlers = new Array(); } if ( ( typeof( document.event_handlers[ event ] ) ).toLowerCase() == 'undefined' ) { document.event_handlers[ event ] = new Array(); } if ( ( typeof( eval( 'window.' + event ) ) ).toLowerCase() != 'function' ) { eval( 'window.' + event + ' = function () { if ( ( typeof( document.event_handlers[ \'' + event + '\' ] ) ).toLowerCase() != \'undefined\' ) { for ( i = document.event_handlers[ \'' + event + '\' ].length - 1 ; i >= 0 ; i-- ) { document.event_handlers[ \'' + event + '\' ][ i ](); } } } ' ); } document.event_handlers[ event ][ document.event_handlers[ event ].length ] = func; } } /* Browser Detect v2.1.6 * documentation: http://www.dithered.com/javascript/browser_detect/index.html * license: http://creativecommons.org/licenses/by/1.0/ * code by Chris Nott (chris[at]dithered[dot]com) * * modified to include Dreamcast */ function browser_detect() { var ua = navigator.userAgent.toLowerCase(); this.isGecko = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1); this.isAppleWebKit = (ua.indexOf('applewebkit') != -1); this.isKonqueror = (ua.indexOf('konqueror') != -1); this.isSafari = (ua.indexOf('safari') != - 1); this.isOmniweb = (ua.indexOf('omniweb') != - 1); this.isDreamcast = (ua.indexOf("dreamcast") != -1); this.isOpera = (ua.indexOf('opera') != -1); this.isIcab = (ua.indexOf('icab') != -1); this.isAol = (ua.indexOf('aol') != -1); this.isIE = (ua.indexOf('msie') != -1 && !this.isOpera && (ua.indexOf('webtv') == -1)); this.isMozilla = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length); this.isFirebird = (ua.indexOf('firebird/') != -1); this.isNS = ((this.isGecko) ? (ua.indexOf('netscape') != -1) : ((ua.indexOf('mozilla') != -1) && !this.isOpera && !this.isSafari && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1))); this.isIECompatible = ((ua.indexOf('msie') != -1) && !this.isIE); this.isNSCompatible = ((ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla); this.geckoVersion = ((this.isGecko) ? ua.substring((ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14)) : -1); this.equivalentMozilla = ((this.isGecko) ? parseFloat(ua.substring(ua.indexOf('rv:') + 3)) : -1); this.appleWebKitVersion = ((this.isAppleWebKit) ? parseFloat(ua.substring(ua.indexOf('applewebkit/') + 12)) : -1); this.versionMinor = parseFloat(navigator.appVersion); if (this.isGecko && !this.isMozilla) { this.versionMinor = parseFloat(ua.substring(ua.indexOf('/', ua.indexOf('gecko/') + 6) + 1)); } else if (this.isMozilla) { this.versionMinor = parseFloat(ua.substring(ua.indexOf('rv:') + 3)); } else if (this.isIE && this.versionMinor >= 4) { this.versionMinor = parseFloat(ua.substring(ua.indexOf('msie ') + 5)); } else if (this.isKonqueror) { this.versionMinor = parseFloat(ua.substring(ua.indexOf('konqueror/') + 10)); } else if (this.isSafari) { this.versionMinor = parseFloat(ua.substring(ua.lastIndexOf('safari/') + 7)); } else if (this.isOmniweb) { this.versionMinor = parseFloat(ua.substring(ua.lastIndexOf('omniweb/') + 8)); } else if (this.isOpera) { this.versionMinor = parseFloat(ua.substring(ua.indexOf('opera') + 6)); } else if (this.isIcab) { this.versionMinor = parseFloat(ua.substring(ua.indexOf('icab') + 5)); } this.versionMajor = parseInt(this.versionMinor); this.isDOM1 = (document.getElementById); this.isDOM2Event = (document.addEventListener && document.removeEventListener); this.mode = document.compatMode ? document.compatMode : 'BackCompat'; this.isWin = (ua.indexOf('win') != -1); this.isWin32 = (this.isWin && (ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1 || ua.indexOf('xp') != -1)); this.isMac = (ua.indexOf('mac') != -1); this.isUnix = (ua.indexOf('unix') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1) this.isLinux = (ua.indexOf('linux') != -1); this.isNS4x = (this.isNS && this.versionMajor == 4); this.isNS40x = (this.isNS4x && this.versionMinor < 4.5); this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7); this.isNS4up = (this.isNS && this.versionMinor >= 4); this.isNS6x = (this.isNS && this.versionMajor == 6); this.isNS6up = (this.isNS && this.versionMajor >= 6); this.isNS7x = (this.isNS && this.versionMajor == 7); this.isNS7up = (this.isNS && this.versionMajor >= 7); this.isIE4x = (this.isIE && this.versionMajor == 4); this.isIE4up = (this.isIE && this.versionMajor >= 4); this.isIE5x = (this.isIE && this.versionMajor == 5); this.isIE55 = (this.isIE && this.versionMinor == 5.5); this.isIE5up = (this.isIE && this.versionMajor >= 5); this.isIE6x = (this.isIE && this.versionMajor == 6); this.isIE6up = (this.isIE && this.versionMajor >= 6); this.isIE7x = (this.isIE && this.versionMajor == 7); this.isIE7up = (this.isIE && this.versionMajor >= 7); this.isIE4xMac = (this.isIE4x && this.isMac); } /* Opacity Displayer, Version 1.0 - http://old.alistapart.com/stories/pngopacity/ * Copyright Michael Lovitt, 6/2002. */ function opacity( strId , strPath , intWidth , intHeight , strClass , strAlt ) { if ( document.pngAlpha ) { document.write( '<div style="height:'+intHeight+'px;width:'+intWidth+'px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\''+strPath+'.png\', sizingMethod=\'scale\')" id="'+strId+'" class="'+strClass+'"></div>' ); } else if ( document.pngNormal ) { document.write( '<img src="'+strPath+'.png" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />' ); } else if ( document.layers ) { return( '<img src="'+strPath+'.gif" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />' ); } else { document.write( '<img src="'+strPath+'.gif" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />' ); } return( '' ); } function opacity_init() { var browser = new browser_detect(); document.pngAlpha = false; document.pngNormal = false; document.strExt = ".gif"; if ( ( browser.isIE55 || browser.isIE6up ) && browser.isWin32 ) { document.pngAlpha = true; document.strExt = ".png"; } else if ( ( browser.isGecko ) || ( browser.isIE5up && browser.isMac ) || ( browser.isOpera && browser.isWin && browser.versionMajor >= 6 ) || ( browser.isOpera && browser.isUnix && browser.versionMajor >= 6 ) || ( browser.isOpera && browser.isMac && browser.versionMajor >= 5 ) || ( browser.isOmniweb && browser.versionMinor >= 3.1 ) || ( browser.isIcab && browser.versionMinor >= 1.9 ) || ( browser.isWebtv ) || ( browser.isDreamcast ) ) { document.pngNormal = true; document.strExt = ".png"; } } /* handler for Netscape Navigator clients that screw up the display * of CSS pages when reloaded */ function NN_reloadPage( init ) { if ( init == true ) with ( navigator ) { if ( ( appName == "Netscape" ) && ( parseInt ( appVersion ) == 4 ) ) { document.NN_pgW = innerWidth; document.NN_pgH = innerHeight; event_attach ( 'onresize' , NN_reloadPage ); } } else if ( innerWidth != document.NN_pgW || innerHeight != document.NN_pgH ) { location.reload(); } } /* Min Width v1.1.3 by PVII-www.projectseven.com * http://www.projectseven.com/tutorials/css/minwidth/index.htm * * modified for readability and ability to limit application to * IE only so CSS min-width property may be used by compliant * browsers. * * NOTE: horizontal spacing (margins, padding, borders) set in * % values may cause IE to crash when using this script. * * ALSO: padding, margins, and borders on parents of the element * you specify may result in IE getting suck in an infinite * loop. Please be sure to check your layout before you * publish it! */ function set_min_width( obj_name , min_width , ieOnly ) { if ( ( typeof( ieOnly ) ).toLowerCase() == 'undefined' ) { ieOnly = true; } if ( ieOnly == false || ( document.getElementById && navigator.appVersion.indexOf( "MSIE" ) > -1 && !window.opera ) ) { document.min_width_obj_name = obj_name; document.min_width_size = min_width; document.resizing = false; event_attach( 'onload' , control_min_width ); event_attach( 'onresize' , control_min_width ); } } function control_min_width() { var cw , w , pl , pr , ml , mr , br , bl , ad , theDiv = document.min_width_obj_name; var g = document.getElementById( theDiv ); w = parseInt(document.min_width_size); if ( g && document.body && document.body.clientWidth ) { gs = g.currentStyle; cw = parseInt( document.body.clientWidth ); pl = parseInt( gs.paddingLeft ); pr = parseInt( gs.paddingRight ); ml = parseInt( gs.marginLeft ); mr = parseInt( gs.marginRight ); bl = parseInt( gs.borderLeftWidth ); br = parseInt( gs.borderRightWidth ); ml = ml ? ml : 0; mr = mr ? mr : 0; pl = pl ? pl : 0; pr = pr ? pr : 0; bl = bl ? bl : 0; br = br ? br : 0; ad = pl + pr + ml + mr + bl + br; if ( cw <= w ) { w -= ad; g.style.width = w + "px"; } else { g.style.width = "auto"; } } } /* Cookie API v1.0.1 * documentation: http://www.dithered.com/javascript/cookies/index.html * license: http://creativecommons.org/licenses/by/1.0/ * code (mostly) by Chris Nott (chris[at]dithered[dot]com) */ function setCookie( name, value, expires, path, domain, secure ) { var curCookie = name + "=" + escape(value) + ((expires) ? "; expires=" + expires.toGMTString() : "") + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : ""); document.cookie = curCookie; } function getCookie( name ) { var dc = document.cookie; var prefix = name + "="; var begin = dc.indexOf( "; " + prefix ); if ( begin == -1 ) { begin = dc.indexOf(prefix); if (begin != 0) return null; } else { begin += 2; } var end = document.cookie.indexOf( ";", begin ); if ( end == -1 ) { end = dc.length; } return unescape(dc.substring(begin + prefix.length, end)); } function deleteCookie( name, path, domain ) { var value = getCookie( name ); if ( value != null ) { document.cookie = name + "=" + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + "; expires=Thu, 01-Jan-70 00:00:01 GMT"; } return value; } /* font size functions operate on the body element's * style and defines sizes in percentages. because * the default font size is set to 0 in the array, * the first value in the font_sizes array should * _ALWAYS_ be 100. * * var font_sizes = new Array( 100, 110, 120 ); * var current_font_size = 0; * event_attach( 'onload' , loadFontSize ); */ function loadFontSize() { current_font_size = parseInt( '0' + getCookie ( "font_size" ) ); setFontSize ( current_font_size ); } function setFontSize( size ) { if( size >= 0 && size < font_sizes.length ) { current_font_size = size; } else if( ++current_font_size >= font_sizes.length ) { current_font_size = 0; } if ( document.body ) { document.body.style.fontSize = font_sizes[ current_font_size ] + '%'; setCookie( "font_size" , current_font_size ); } } /* standard trim function to remove leading and trailing * whitespace from a given string */ function trim( str ) { return str.replace(/^\s*|\s*$/g,""); } /* stylesheets should be defined in the HTML via a LINK tag * and rel attribute set to "alternate stylesheet". the title * attribute is then set in the format of "title : group" * this function will disable all but the stylesheet specified * by title in the group specified by group. * * Based on code by Paul Sowden * http://www.alistapart.com/articles/alternate/ * */ function setActiveStyleSheet( title , group ) { var i, a, b, g, t; if ( !title || !group ) { return; } for ( i = 0; ( a = document.getElementsByTagName( "link" )[ i ] ); i++ ) { if ( a.getAttribute( "rel" ).indexOf( "style" ) != -1 && a.getAttribute( "title" ) ) { b = ( a.getAttribute( "title" ) ).split( ":" ); g = trim( b[ b.length - 1 ] ); if ( g.toLowerCase() == group.toLowerCase() ) { a.disabled = true; t = trim( ( a.getAttribute( "title" ) ).substring( 0, a.getAttribute( "title" ).length - b[ b.length - 1 ].length - 1 ) ); if( t.toLowerCase() == title.toLowerCase() ) { a.disabled = false; } } setCookie( "style_" + g.toLowerCase() , title ); } } } function getPreferredStylesheet ( group ) { return ( getCookie ( "style_" + group ) ); } /* Son of Suckerfish Dropdowns * This attaches an event to each LI element so when the mouseover event triggers, * the element's class is altered to include (and remove on mouseout) an extra class. * We can then use that class, in conjunction with stylesheets, to trigger drop-down * menus that are (mostly) CSS-based. * * Original: http://www.htmldog.com/articles/suckerfish/dropdowns/ * Fixes to work with IE/Mac: http://carroll.org.uk/sandbox/suckerfish/bones2.html */ function sfHover ( objID ) { var browser = new browser_detect(); if ( browser.isIE && !browser.isIE7up ) { var sfEls = document.getElementById( objID ).getElementsByTagName( "LI" ); for (var i=0; i<sfEls.length; i++) { sfEls[i].onmouseover = function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } sfEls[i].onmouseout = function() { this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), ""); } } } } /* // /////////////////////////// // isdefined v1.0 // // Check if a javascript variable has been defined. // // Author : Jehiah Czebotar // Website: http://www.jehiah.com // Usage : alert(isdefined('myvar')); // /////////////////////////// */ function isDefined ( variable ) { return ( typeof( window[ variable ] ) == "undefined" ) ? false : true; } /* DEV CODE : IGNORE ME */ function rmHoverAndDelay( objID ) { if ( document.getElementById ) { if ( !isDefined( "rmHaD_guid" ) ) { rmHaD_guid = 0; rmHaD_over = function ( e ) { e.className += ( e.className.length > 0 ? " " : "" ) + "sfhover"; } rmHaD_out = function ( e ) { e.className = e.className.replace( new RegExp( "( ?|^)sfhover\\b" ), "" ); } rmHaD_Els = document.getElementById( objID ).getElementsByTagName( "LI" ); rmHaD_Last = -1; rmHaD_Delay = 500; rmHaD_OverGlobalTimeout = null; } var i = rmHaD_guid; rmHaD_guid += rmHaD_Els.length; var newMaxGUID = rmHaD_guid; for ( ; i < newMaxGUID ; i++ ) { if ( rmHaD_Els[i].className.indexOf( "rMenu-expand" ) >= 0 ) { rmHaD_Els[i].rmTimeout = null; rmHaD_Els[i].rmId = i; rmHaD_Els[i].onmouseover = function() { clearTimeout ( rmHaD_OverGlobalTimeout ); // clearTimeout ( this.rmTimeout ); rmHaD_OverGlobalTimeout = setTimeout( 'rmHaD_over( rmHaD_Els[' + this.rmId + '] )', rmHaD_Delay ); } rmHaD_Els[i].onmouseout = function() { this.rmTimeout = setTimeout( 'rmHaD_out( rmHaD_Els[' + this.rmId + '] )', rmHaD_Delay ); } } } } }
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/******************************************************************************* * ruthsarian_utilities.js : 2006.02.27 * ----------------------------------------------------------------------------- * A group of useful JavaScript utilities that can aid in the development * of webpages. Credit and source of code is given before each set of * functions. *******************************************************************************/
Initial Title
ruthsarian_utilities.js
Initial Tags
Initial Language
JavaScript