function change_to(element) {

element.style.color ='#ffffff';
element.style.backgroundColor ='#000000';
}
function change_back(element) {

element.style.color ='#7C7C7C';
element.style.backgroundColor ='#000000';
}



function changeit(obj)
  {
     EL=obj.value;
     document.getElementById(EL).className= (obj.checked) ? 'highlight' : 'greycells';
  }
  function changeit2(obj)
  {
     EL=obj.value;
     document.getElementById(EL).className= (obj.checked) ? 'highlight' : 'whitecells';
  }  
  
  function changeit3(obj)
  {
     EL=obj.value;
     document.getElementById(EL).className= (obj.checked) ? 'highlight2' : 'greycellsMail';
  }  



  function CheckAllBoxes(theForm) 
  {

      for (var i=0; i < theForm.length; i++) 
      {
          var e = theForm.elements[i];
          if (e.name == "rows") 
          {
              e.checked = true;
              changeit(e);
              continue;
          }
      }
  
    return true;
    
  
  }

  function UnCheckAllBoxes(theForm) 
  {

      for (var i=0; i < theForm.length; i++) 
      {
          var e = theForm.elements[i];
          if (e.name == "rows") 
          {
              e.checked = false;
              changeit(e);
              continue;
          }
      }
  
    return true;
    
  
  }
var browser=navigator.appName;
    brow=browser.charAt(0);
var version=parseInt(navigator.appVersion);
if ((version <= 4) && (brow == "N")) {ns=1} else {ns=0};

/*dynamic write example */
function dWrite(text){
if (ns) {
    document.layers.divZone.document.write(text);
    document.layers.divZone.document.close();
    } else {
    document.getElementById('divZone').innerHTML=text;
    };
};
var flip = "Start";
function toggle(theForm) {
if (flip == "Start") {
    flip = "Stop";
    dWrite('<input name="b" type="button" class="buttonDefault" value="De-Select All" onClick="toggle(theForm);UnCheckAllBoxes(theForm)">');
    //insert start code here
    } else {
    flip = "Start";
    dWrite('<input name="b" type="button" class="buttonDefault" value="Select All" onClick="toggle(theForm);CheckAllBoxes(theForm)">');
    //insert stop code here
    };
};