function openWindow(strUrl, strName, strWidth, strHeight)
{
	var strFeatures = "toolbar=0,menubar=0,scrollbars=0,resizable=0,status=0,location=0," + "left=" + ((screen.width/2) - (strWidth/2)) + ",top=" + ((screen.height/2) - (strHeight/2)) + ",width=" + strWidth + ",height=" + strHeight;
	window.open(strUrl, strName, strFeatures);
}

Object.extend(Element, {
	setWidth: function(element,w)
	{
   	    element = $(element);
    	element.style.width = w + "px";
	},
	setHeight: function(element,h)
	{
   	    element = $(element);
    	element.style.height = h + "px";
	},
	setSrc: function(element,src)
	{
    	element = $(element);
    	element.src = src; 
	}
});