jQuery Sticky Footer

// Window load event used just in case window height is dependant upon images
$(window).bind("load", function() { 
 
       var footerHeight = 0,
           footerTop = 0,
           $footer = $("#footer");
 
       positionFooter();
 
       function positionFooter() {
 
                footerHeight = $footer.height();
                footerTop = ($(window).scrollTop()+$(window).height()-footerHeight)+"px";
 
               if ( ($(document.body).height()+footerHeight) < $(window).height()) {
                   $footer.css({
                        position: "absolute"
                   }).animate({
                        top: footerTop
                   })
               } else {
                   $footer.css({
                        position: "static"
                   })
               }
 
       }
 
       $(window)
               .scroll(positionFooter)
               .resize(positionFooter)
 
});