function fo_mover(obj)
{
    //if(obj.style.background!='#dddddd')
	obj.style.background='skyblue'
}
function fo_mout(obj)
{
    //if(obj.style.background!='#dddddd')
	obj.style.background=''
}

function fo_expand(obj) 
{

   var o_ul=obj.parentNode.childNodes(1)
   var o_img=obj.childNodes(0)
   
   if(o_ul!=null)
   {
      if(o_ul.className=='clsShown')
	  {
         o_img.src='assets/image/image_tree/plus.gif'
         o_ul.className='clsHide'
      }
	  else
	  {
         if(o_ul.className=='clsHide')
		 {
            o_img.src='assets/image/image_tree/minus.gif'
            o_ul.className='clsShown'
		  }
	   }
    }
}

function all_expand()
{
var otbl=document.getElementById('tblTree')
var coUL=otbl.getElementsByTagName('UL') 
var coDIV=otbl.getElementsByTagName('DIV') 
   for (i=0; i<coUL.length; i++)
   {
      coUL(i).className='clsShown'
	  coDIV(i).childNodes(0).src='assets/image/image_tree/minus.gif';
   }
}

function all_collapse()
{
var otbl=document.getElementById('tblTree')
var coUL=otbl.getElementsByTagName('UL') 
var coDIV=otbl.getElementsByTagName('DIV') 
   for (i=0; i<coUL.length; i++)
   {
      coUL(i).className='clsHide'
	  coDIV(i).childNodes(0).src='assets/image/image_tree/plus.gif';
   }
}