function popUp(URL) {
var iMyWidth;
var iMyHeight;
iMyWidth = (window.screen.width/2) - (200 + 0);
iMyHeight = (window.screen.height/2) - (100 + 0);
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=400,height=200,left = " + iMyWidth + ",top = " + iMyHeight + ",screenX=" + iMyWidth + ",screenY=" + iMyHeight+"');");
}