function exMenu(){
for (i=0 ;i < document.myform.kinds.length ; i++){
  	  if (document.myform.kinds[0].checked) {
 	  document.getElementById('treeMenu1').style.display = "block";
  	  }
 	  if (document.myform.kinds[1].checked) {
 	  document.getElementById('treeMenu1').style.display = "none";
		}
}
}