function openWin(url) {
        var w_left = Math.ceil(screen.width/2-300);
        var openWin = window.open(url,"VoteWin","left="+w_left+",top=30,scrollbars=yes,menubar=no,height=550,width=600,resizable=yes,toolbar=yes,location=yes,status=yes");
        openWin.focus();
}