var newWin = null;
function popUp(strURL, strType, strHeight, strWidth) {
 if (newWin != null && !newWin.closed)
   newWin.close();
 var strOptions="";
 if (strType=="console")
   strOptions="resizable,height="+
     strHeight+",width="+strWidth;
 if (strType=="fixed")
   strOptions="status,height="+
     strHeight+",width="+strWidth;
 if (strType=="elastic")
   strOptions="toolbar,menubar,scrollbars,"+
     "resizable,location,height="+
     strHeight+",width="+strWidth;
 newWin = window.open(strURL, 'newWin', strOptions);
 newWin.focus();
}



function eventNav() {
    var ddYear = document.getElementById("event_year");
    var yi = ddYear.selectedIndex;
    var yy = ddYear.options[yi].text
    
    var ddMonth = document.getElementById("event_month");
    var mi = ddMonth.selectedIndex + 1;
    if (mi < 10) {
        mi = '0' + mi;
    }

    var startDate = '01' + mi + yy;
    
    document.location.assign('http://' + document.location.host + document.location.pathname + '?day=' + startDate)
}


function FormatNumberLength(num, length) {
    var r = "" + num;
    while (r.length < length) {
        r = "0" + r;
    }
    return r;
}