function openWindow(url,w,h) {
	
        if (myWin !=null)
        {
        myWin.close()
        }
        myWin = window.open(url,'reg_f4','width='+w+',height='+h+',resizable=yes,scrollbars=yes,toolbar=no');
        myWin.focus();
    }
    
var DOMLevel1 = (document.createElement && document.getElementsByTagName);
var mouseOns = new Array();
var mouseOffs = new Array();
var mouseOns1 = new Array();
var mouseOffs1 = new Array();
window.onload = init;
function mouseOn()
{
	this.src = mouseOns[this.number].src;
}
					
function mouseOff()
{
	this.src = mouseOffs[this.number].src;
}
			
function mouseOn1()
{
	this.src = mouseOns1[this.number].src;
}
					
function mouseOff1()
{
	this.src = mouseOffs1[this.number].src;
}
function init()
{
	if (!DOMLevel1) return;
	
	var leftmenu = document.getElementById('leftmenu');
	var imgs = leftmenu.getElementsByTagName('img');
	for (var i=0;i<imgs.length;i++)
	{
		if (imgs[i].src.indexOf('_light')>0)
		{
		var ext = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
		mouseOffs[i] = new Image();
		mouseOffs[i].src = imgs[i].src;
		mouseOns[i] = new Image();
		mouseOns[i].src = imgs[i].src.substring(0,imgs[i].src.lastIndexOf('_')) + "_dark" + ext;
		imgs[i].number = i;
		imgs[i].onmouseover = mouseOn;
		imgs[i].onmouseout = mouseOff;
		}
	}
	var topmenu = document.getElementById('topmenu');
	var imgs1 = topmenu.getElementsByTagName('img');
	for (var i=0;i<imgs1.length;i++)
	{
		
		if (imgs1[i].src.indexOf('_dark')>0)
		{
		var ext = imgs1[i].src.substring(imgs1[i].src.lastIndexOf('.'));
		mouseOffs1[i] = new Image();
		mouseOffs1[i].src = imgs1[i].src;
		mouseOns1[i] = new Image();
		mouseOns1[i].src = imgs1[i].src.substring(0,imgs1[i].src.lastIndexOf('_')) + "_light" + ext;
		imgs1[i].number = i;
		imgs1[i].onmouseover = mouseOn1;
		imgs1[i].onmouseout = mouseOff1;
		}
	}
}
var myWin=null
function openWindow(url,w,h)
{if (myWin !=null)
{
myWin.close()
}
myWin = window.open(url,'reg_f4','width='+w+',height='+h+',resizable=yes,scrollbars=yes,toolbar=no');
myWin.focus();
}