var gradientshadow={} 
gradientshadow.depth=9 //Depth of shadow in pixels 
gradientshadow.containers=[] 
  
gradientshadow.create=function(){ 
var a = document.all ? document.all : document.getElementsByTagName('*') 
for (var i = 0;i < a.length;i++) { 
        if (a[i].className == "shadow") { 
                for (var x=0; x<gradientshadow.depth; x++){ 
                        var newSd = document.createElement("DIV") 
                        newSd.className = "shadow_inner" 
                        newSd.id="shadow"+gradientshadow.containers.length+"_"+x //Each shadow DIV has an id of "shadowL_X" (L=index of target element, X=index of shadow (depth)  
                        if (a[i].getAttribute("rel")) 
                                newSd.style.background = a[i].getAttribute("rel") 
                        else 
                                newSd.style.background = "black" //default shadow color if none specified 
                        document.body.appendChild(newSd) 
                } 
        gradientshadow.containers[gradientshadow.containers.length]=a[i] 
        } 
} 
gradientshadow.position() 
window.onresize=function(){ 
        gradientshadow.position() 
} 
} 
  
gradientshadow.position=function(){ 
if (gradientshadow.containers.length>0){ 
        for (var i=0; i<gradientshadow.containers.length; i++){ 
                for (var x=0; x<gradientshadow.depth; x++){ 
                var shadowdiv=document.getElementById("shadow"+i+"_"+x) 
                        shadowdiv.style.width = gradientshadow.containers[i].offsetWidth + "px" 
                        shadowdiv.style.height = gradientshadow.containers[i].offsetHeight + "px" 
                        shadowdiv.style.left = gradientshadow.containers[i].offsetLeft + "px" 
                        shadowdiv.style.top = gradientshadow.containers[i].offsetTop + x + "px" 
                } 
        } 
} 
} 
  
if (window.addEventListener) 
window.addEventListener("load", gradientshadow.create, false) 
else if (window.attachEvent) 
window.attachEvent("onload", gradientshadow.create) 
else if (document.getElementById) 
window.onload=gradientshadow.create