var version=parseInt(navigator.appVersion);
isNS4=(document.layers) ? true : false;
isIE4=((document.all)&&(version>=4))? true : false;
ver4=(isNS4 || isIE4) ? true : false;
 
function hideDropdown() {
	tempColl = document.all.tags("DIV");
    for (i=0; i<tempColl.length; i++) {
    	if (tempColl(i).className == "dropdown") {
			tempColl(i).style.display = "none";
		}
    }
}

function expandMenu(id) {
	if (!ver4) return;
		whichEl = eval("menu"+id);
    if (whichEl.style.display == "none") {
		whichEl.style.display = "block";
     }
    else {
		whichEl.style.display = "none";
	}
}

onload = hideDropdown;

with (document)
  { write("<style type='text/css'>");
    write(".dropdown {display:none}")
    write("</style>");
 }

function opWindow(a,b,param) {
	window.open(a,b,param);
}
