// Popup new login

 function openWin(oLink)    
    {
       var winHandle = window.open(oLink.href, oLink.target, 'width=730,height=500,top=0,left=0,screenX=0,screenY=0,scrollbars=yes,resizable=yes,menubar=yes');
        return false; //note the return=false , prevents the click event redirecting the browser to the href.
    }