var layerRef 
var styleRef	
var layerRef	
self.onError=null;
ImageList = new Array();


  if(document.getElementById)
   { 

     layerRef="document.getElementById"
     styleRef=".style"
     openparen = '("'
     closeparen = '")'
  
	 } 
  else if(document.all)
   {
     layerRef="document.all"
     styleRef=".style"
     openparen = '["'
     closeparen = '"]'
   }
  else if(document.layers)
   {
     layerRef="document.layers"
     styleRef=""
     openparen = '["'
     closeparen = '"]'
   }  
   

ImageList[0] = new Array(2);

ImageList[0][0] = "closed";
ImageList[0][1] = new Image();
ImageList[0][1].src = "/images/left_panel/top_x2.gif";


ImageList[1] = new Array(2);	
ImageList[1][0] = "open";
ImageList[1][1] = new Image();
ImageList[1][1].src = "/images/left_panel/top_x.gif";


function togglelayer() { 

var v,j,i,args=togglelayer.arguments;
layername=args[0];
imagename=args[1];
var dom = layerRef + openparen + layername  + closeparen + styleRef + '.visibility';
   
if (eval(dom)=='hidden' || eval(dom)=='hide') 
{
 
 // closed
    i = 0;
 j = 1;
  v='visible';
 }
else 
 { 
	
    //open
 i= 1;
 j= 1;
 v='hidden';
 }

eval('document.images["' + imagename  + '"].src =ImageList[i][j].src');
eval(layerRef + openparen + layername  + closeparen + styleRef + '.visibility = v');

}