var popupURL = 'http://www.facebook.com/share.php?u=' + document.location.href;
function popUp() {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(popupURL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=1,menubar=0,resizable=0,width=600,height=400,left = 340,top = 312');");
}