function replaceImage(divID, navImage)
		{
			try
			{
				var element = document.getElementById(divID);
				if(element != null)
				{
					element.src = "/images/common/" + navImage;
				}
			}catch(err){}
		}

		function defaultNavOn()
		{
			if(headerNavImageOn != null)
			{
				replaceImage('selected_nav', headerNavImageOn);
			}
		}

		function defaultNavOff()
		{
			if(headerNavImageOff != null)
			{
				replaceImage('selected_nav', headerNavImageOff);
			}
		}

		function bwwNewWindow(strMyPage, strMyName, intWidth, intheight, scroll) 
		{

			var intWidth;   // width and height of the popup window, these values are in the anchor link

			var intheight;  //



			var intWinLeft = 25; // location of the popup window, this is set at the center of screen

			var intWinTop = 25;

			var strWinprops = 'height='+intheight+',width='+intWidth+',top='+intWinTop+',left='+intWinLeft+',scrollbars='+scroll+',resizable=no'; 

			var strwin = window.open(strMyPage, strMyName, strWinprops);

			if (parseInt(navigator.appVersion) >= 4) { strwin.window.focus(); }

		}