function setImage(elem, imgUrl)
{
	elem.src = imgUrl;
}

function showPopup(url)
{
	var height = 600;
	var width = 800;
	var top = (screen.height - height) / 2; 
	var left = (screen.width - width) / 2; 
	return window.open(url, "_blank", "height=" + height + ", width=" + width + ", top=" + top + ", left=" + left + ", resizable=no, status=no, toolbar=no, titlebar=no, scrollbars=yes");
}