function changeImage(filename)
	    {
	    	document.MainImage.src = "/samples/" + filename;	    
	    }
 

function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=400,left = 390,top = 280');");
}