function sleep(delay){
    var start = new Date().getTime();
    while (new Date().getTime() < start + delay);
}

function toggleDiv(divID){
    if(document.getElementById(divID).style.display == 'none'){
      document.getElementById(divID).style.display = 'block';
    }else{
      document.getElementById(divID).style.display = 'none';
    }
}

function submitForm(formID){
    var frm = document.forms.namedItem(formID);
    frm.submit();
}

function popup(url, width, height, windowname)
{
    if (!window.focus)return true;
    var href;
    window.open(url, windowname, 'width=' + width + ',height=' + height + ',scrollbars=yes');
    return false;
}