function tmt_DivOnTop(theDiv){
	var t = 0;var z = (document.layers) ? ".zIndex" : ".style.zIndex";
	var fun = (document.getElementById) ? "document.getElementById" : "MM_findObj";
	var arr = (document.layers) ? document.layers : (document.all) ? document.all.tags("DIV") : document.getElementsByTagName("DIV");
	for(var i=0;i<arr.length;i++){var oz = eval("arr["+i+"]"+z);if(oz > t){t = oz;}}
	var obj = eval(fun+"(theDiv)");if(obj)eval(fun+"('"+theDiv+"')"+z+"=parseInt("+t+")+1");
}