function myonmouseover() {
    var myTD = event.srcElement;   
    myTD.setAttribute('background','images2/leftbutton_m.gif');    
  }
  
  function myonmouseout() {    	
    var myTD = event.srcElement;   
    myTD.setAttribute('background','images2/leftbutton_n.gif');  
  }    
   
    
  function myonmouseoverA() {    
    var myA = event.srcElement;     
    if(myA.tagName=='A')
    var myTD = myA.parentNode.parentNode;  
    myTD.setAttribute('background','images2/leftbutton_m.gif');    
  }  
  
  function myonmouseoutA() {    
    var myA = event.srcElement;    
    if(myA.tagName=='A')
    var myTD = myA.parentNode.parentNode;  
    myTD.setAttribute('background','images2/leftbutton_n.gif');    
  }    

var mymenu = document.getElementById('mymenu');
if(mymenu != null) {
  var myTbody = mymenu.childNodes.item(0);
  var myRows = myTbody.childNodes;
  for(var i=0;i<myRows.length;i++){    
    var myRow=myRows.item(i);    
    if(myRow.nodeType == 1 && myRow.tagName=='TR') {  
      var myTD = myRow.firstChild;
      if(myTD.tagName=='TD' && myTD.height==25 && myTD.getAttribute('selected') == null) {  
        myTD.attachEvent("onmouseover", myonmouseover);      
        myTD.attachEvent("onmouseout", myonmouseout);                
        var tempA = myTD.firstChild.firstChild;
        tempA.attachEvent("onmouseover", myonmouseoverA); 
        tempA.attachEvent("onmouseout", myonmouseoutA);          
      }  
    }  
  } 
}