//start popup window code

function popUp(URL,width,height){
var now = new Date();
window.open(URL,"newwin" + now.getTime(),"width=" + width + ",height=" + height + ",toolbar=0,location=0,directories=0,resizable=1,status=0,menubar=1,scrollbars=yes");
}

//start code related to drop down menu - 20080404 td.  --------------------

var IE5up = document.getElementById&&document.all;
var NS6up = document.getElementById&&!document.all;
var NS4 = document.layers;
var IE4 = document.all&&!window.print;
var previousLayer='';
var tm;


//show  --------------------
function show(layerid){

clearTimeout(tm);


if (previousLayer != '' && previousLayer != layerid){hide(previousLayer);}

previousLayer = layerid


if(IE5up||NS6up)
document.getElementById(layerid).style.visibility="visible";
else
if(NS4)
document.layers[layerid].visibility="visible";
else
if(IE4)
document.all[layerid].style.visibility="visible";
}



//delayhide  --------------------

function delayHide(layerid){
	var timer
	if(IE5up||NS6up)
		timer = '50'
	else
	if(NS4)
		timer = '300'
	else
	if(IE4)
		timer = ''

	
    tm = setTimeout("hide('" + layerid + "')", timer);
}


//hide-------------------
function hide(layerid){


	if(IE5up||NS6up)
		document.getElementById(layerid).style.visibility="hidden";
	else
		if(NS4)
			document.layers[layerid].visibility="hidden";
		else
			if(IE4)
				document.all[layerid].style.visibility="hidden";
}