function Util(){};


function Util_swapImage(img_name, img_src) 
{
	img_name.src = img_src;
}

function Util_popWindow(name, url, height, width) 
{
  	var newWindow = window.open(url, name, 
  		"height=" + height +
		",width=" + width +
		",screenX=10,screenY=10,scrollbars,resizable");
}

Util.swapImage = Util_swapImage;
Util.popWindow = Util_popWindow;