function popUp(URL) {
    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=700,height=600,left = 200,top = 200');");
}

function doPopUp(URL) {
    window.open(URL, 'popup', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width=500,height=500,left = 200,top = 200');
}

function showPopup(event) {
   var element = event.element();
   doPopUp(element.getAttribute('href'));
   return true;
}