function relPosX(which) 
{
 if(document.getElementById) {
   var elem = document.getElementById(which); 
   var pos = elem.offsetLeft;
   while (elem.offsetParent != null) {
      elem = elem.offsetParent;
      pos += elem.offsetLeft;
      if (elem.tagName == 'BODY') break;
   } 
 }
 return pos;
}


function relPosY(which) 
{
 if(document.getElementById) {
    var elem = document.getElementById(which);
    var pos = elem.offsetTop;
    while (elem.offsetParent != null) {
      elem = elem.offsetParent;
      pos += elem.offsetTop;
      if (elem.tagName == 'BODY') break;
    }
 }
    return pos;
}


 function displayExpand(id) {
   left1=relPosX('select'+id);
   top1=relPosY('select'+id);
   expand_div=document.getElementById('expand'+id);
   expand_div.style.left=left1;
   expand_div.style.top=top1+16;
   expand_div.style.display = "block";
 }

 function hideExpand(id) {
   setTimeout("expandOff(" + id + ");",400);
 }

 function expandOff(id) {
   expand_div=document.getElementById('expand'+id);
   expand_div.style.display = 'none';
 }

 function flNode(id,mode) {
   flash_div=document.getElementById('v'+id);
   if (mode==1) {
	   flash_div.style.background = '#AFAFAF';
	   flash_div.style.color = 'white';
   } else {
	   flash_div.style.background = 'white';
	   flash_div.style.color = 'black';
   }
 }

 function selectNode(id,city_name) {
   select_div=document.getElementById('select'+id);
   select_div.value=city_name;
 }