function hideElement(elmID,layername) { var i; layername = "L"+layername objlayer = document.all(layername); lleft= objlayer.offsetLeft; ltop = objlayer.offsetTop; lht = objlayer.offsetHeight; lwi = objlayer.offsetWidth; for (i = 0; i < document.all.tags(elmID).length; i++) { obj = document.all.tags(elmID)[i]; objname = document.all.tags(elmID)[i].id; if (objname != "") { objLeft = obj.offsetLeft; objTop = obj.offsetTop; objParent = obj.offsetParent; while (objParent.tagName.toUpperCase() != "BODY") { objLeft += objParent.offsetLeft; objTop += objParent.offsetTop; objParent = objParent.offsetParent; } eleft = objLeft; etop = objTop; ewi = obj.offsetWidth eht = obj.offsetHeight if(etop <=(ltop+lht) && (eleft+ewi) >= lleft && (lleft+lwi) >= eleft) document.all(objname).style.visibility = "hidden"; } } } function showElement(elmID) { for (i = 0; i < document.all.tags(elmID).length; i++) { obj = document.all.tags(elmID)[i]; if((obj.style.visibility) == "hidden") obj.style.visibility = "visible"; } }