function cleanUp() {
    document.getElementById("a1").className = '';
    document.getElementById("a2").className = '';
    document.getElementById("a3").className = '';
    document.getElementById("a4").className = '';
    document.getElementById("a5").className = '';
    document.getElementById("a6").className = '';
    document.getElementById("a7").className = '';
    document.getElementById("a8").className = '';
    document.getElementById("a9").className = '';
}



self.name = "mainframe";

nn4 = (document.layers) ? true : false;
ie4 = (document.all) ? true : false;
dom = (document.createTextNode)? true : false;

function pop(fileUrl, winW, winH, winN, scrollB) {
    var winWidth = (winW)? winW : 740;
    var winHeight = (winH)? winH : 520;
    var winName = (winN)? winN : 'popupWin'
    var scrollBars = "yes";
    if (nn4 || ie4 || dom) {
        if (screen.width < winWidth + 50) { winWidth = screen.width - 50; scrollbars = 'yes' }
        if (screen.height < winHeight + 100) { winHeight = screen.height - 100; scrollbars = 'yes' }
        posX = Math.round((screen.width - winWidth)/2);
        posY = Math.round((screen.height - winHeight)/2);
        posCode = (nn4)? "screenX="+posX+",screenY="+posY : "left="+posX+",top="+posY;
    } else {
        posCode = "";
    }
    var popupWin = window.open(fileUrl, winName,"menubar=no,toolbar=no,scrollbars=" + scrollBars + ",status=yes,resizable=yes,width=" + winWidth + ",height=" + winHeight + "," + posCode);
    if (popupWin) popupWin.focus();
}


function che() {
    var total = 0;
    var fo = document.getElementById("theform");
    if (fo) {
       var l = fo.elements.length;
       for(var i=0;i<l;i++) {
          if (fo.elements[i].className == "i_cb2"  && fo.elements[i].checked) {
             total++;
          }
       }
       if (total > 3) {
          document.getElementById("note").style.display = 'block';
       }
       else {
          document.getElementById("note").style.display = 'none';
       }
    }
}