function updownshadow(){
if (event.srcElement.effect=="popshadow"){
shadowobj=event.srcElement
if (event.type=="mousedown"){
shadowobj.filters[0].color=shadowobj.mousedowncolor
shadowobj.style.left=shadowobj.style.top=0
}
else if (event.type=="mouseout" && event.fromElement.effect=="popshadow" || event.type=="mouseup"){
shadowobj.filters[0].color=shadowobj.mouseupcolor
shadowobj.style.left=shadowobj.style.top=shadowobj.filters[0].OffX*(-1)
}
}
}

if (document.attachEvent){
document.attachEvent("onmousedown", updownshadow)
document.attachEvent("onmouseup", updownshadow)
document.attachEvent("onmouseout", updownshadow)
}