startList = function() {
 if(document.getElementById) {
  navRoot = document.getElementById("menuList");
  for (i=0; i<navRoot.childNodes.length; i++) {
   node = navRoot.childNodes[i];
   if (node.nodeName=="LI") {
    node.onmouseover=function() {
     for(j=1; j < this.childNodes.length ; j++) {
      if(this.childNodes[j].nodeName == "UL") {
       this.childNodes[j].style.display = 'block';
       return;
       j = 200;
      }
     }
    }
    node.onmouseout=function() {
     for(j=1; j < this.childNodes.length ; j++) {
      if(this.childNodes[j].nodeName == "UL") {
       this.childNodes[j].style.display = 'none';
       return;
       j = 200;
      }
     }
    }
   }
  }
 }
}
window.onload=startList;

function checkform() {
	c = 0;
	ele = document.theform.elements;
	for(i=0; i < ele.length; i++) {
		if(ele[i].type=='checkbox' && ele[i].checked) c++;
	}
	if(c > 0) return true;
	alert("Please tick at least one 'Supervision field'");
	return false;
}