function popUp(URL, popW, popH)
{
	var w = 480;
	var h = 340;
	var NS=document.all;
	w = screen.width?screen.width:w;
    h = screen.height?screen.height:h; 
	var leftPos = (w-popW)/2;
	var topPos = (h-popH)/2;
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width="+popW+",height="+popH+",left = "+leftPos+",top = "+topPos+"');");
}