function switchlayer(Layer_Name, Layer_To_Change, New_Link)
{
  var GECKO = document.getElementById? 1:0 ;
  var NS = document.layers? 1:0 ;
  var IE = document.all? 1:0 ;

  if (GECKO)
	   {	   
		/*document.getElementById(Layer_Name).style.display=
	   (document.getElementById(Layer_Name).style.display=='block') ? 'none' : 'block';   
	   */
	   if (document.getElementById(Layer_Name).className=='menu_open')
	   {
	   		document.getElementById(Layer_Name).className='menu_close';
			document.getElementById(Layer_To_Change).href= New_Link + '&status=true';
	   }
	   else
	   {
	   	   	document.getElementById(Layer_Name).className='menu_open';
			document.getElementById(Layer_To_Change).href= New_Link + '&status=false';
	   
	   }
		/*
	   document.getElementById(Layer_Name).className=
	   (document.getElementById(Layer_Name).className=='test') ? 'test_zu' : 'test';
	   
	   document.getElementById(Layer_To_Change).href= New_Link + 'status=true'
	   */
	   }
  else if (NS)
     {
	   /*document.layers[Layer_Name].display=(document.layers[Layer_Name].display==
	   'block') ? 'none' : 'block';
	   */
	   if (document.layers[Layer_Name].className=='menu_open')
	   {
	   		document.layers[Layer_Name].className='menu_close';
			document.layers[Layer_Name].href= New_Link + '&status=true';
	   }
	   else
	   {
	   	   	document.layers[Layer_Name].className='menu_open';
			document.layers[Layer_Name].href= New_Link + '&status=false';	   
	   }
	   
	}
  else if (IE)
    {
	  if (document.getElementById(Layer_Name).className=='menu_open')
	   {
	   		document.getElementById(Layer_Name).className='menu_close';
			document.getElementById(Layer_To_Change).href= New_Link + '&status=true';
	   }
	   else
	   {
	   	   	document.getElementById(Layer_Name).className='menu_open';
			document.getElementById(Layer_To_Change).href= New_Link + '&status=false';	   
	   }
	}
}