function popUp(URL) {
	var day = new Date();
	var id = day.getTime();
	var left = (screen.width)?(screen.width-350)/2:0;
	var right = (screen.height)?(screen.height-300)/2:0;
	var page = window.open(URL,id,'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=350,height=300,left='+left+',top='+right);
}