function popUp(URL,wsize,hsize,lsize,tsize) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width=" + wsize + ",height=" + hsize + ",left =" + lsize + ",top=" + tsize + "');");
}