// Top navigation menu control
topNav = function() {
	if ((navRoot = document.getElementById("nav-list"))) {
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
					/*For drop down image*/
					/*document.getElementById('drop_down_up_support').src = "./images/drop_down_down.gif";*/
					if(this.getElementsByTagName('ul')[0])
					{
						this.getElementsByTagName('ul')[0].style.display = 'block';
						document.getElementById("tipShim").style.visibility = 'visible';
						document.getElementById("tipShim").style.width = oWidth = this.getElementsByTagName('ul')[0].offsetWidth +"px";
						document.getElementById("tipShim").style.height = oHeight = this.getElementsByTagName('ul')[0].offsetHeight + 27 +"px";
						document.getElementById("tipShim").style.left = oLeft = this.offsetLeft +"px";
						document.getElementById("tipShim").style.top = oTop = this.offsetTop +"px";	

					}
					if((this.id == 'navItem4' || this.id == 'navItem2') && (x=document.getElementById('elementToHideOnMenuOpen'))) {
						//x.style.visibility = 'hidden';
					}
				}
				node.onmouseout=function() {
					/*For drop down image*/
					//document.getElementById('drop_down_up_support').src = "./images/drop_down_up.gif";
					this.className=this.className.replace(" over", "");
					if(this.getElementsByTagName('ul')[0])
					{
						document.getElementById("tipShim").style.visibility = 'hidden';
						this.getElementsByTagName('ul')[0].style.display = 'none';
					}
					if((this.id == 'navItem4' || this.id == 'navItem2') && (x=document.getElementById('elementToHideOnMenuOpen'))) {
						///x.style.visibility = 'visible';
					}
				}
			}
		}
	}
}

init = function() {
	topNav();
}
//window.onload = init;

/*function downImage(id) {
	document.getElementById(id).src = "./images/drop_down_down.gif";
}


function upImage(id) {
	document.getElementById(id).src = "./images/drop_down_up.gif";
}*/
var popUpWin=0;

function popUpWindow(URLStr, left, top, width, height)

{

  if(popUpWin)

  {

    if(!popUpWin.closed) popUpWin.close();

  }

  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');

}