// FUNCIONES DE MANEJO DEL ÁRBOL
var valores=new String();
divs=document.getElementsByTagName("DIV");

function Toggle(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
     key.innerHTML="<img class='folder' src='"+URL_IMAGES+"closedfolder.gif'  hspace='0' vspace='0' border='0'>";
   } else {
      obj.style.display="block";
      key.innerHTML="<img class='folder' src='"+URL_IMAGES+"openfolder.gif'  hspace='0' vspace='0' border='0'>";
   }
   
   valores='';
   for (i=0;i<divs.length;i++) {
   	  valores+=divs[i].style.display+"%";
   }  

}

function Expand() {
   for (i=0;i<divs.length;i++) {
   	if ( (divs[i].id != "")  && (divs[i].className=='arbol1') )
   	{
     divs[i].style.display="block";
     key=document.getElementById("x" + divs[i].id);
	 key.innerHTML="<img class='folder' src='"+URL_IMAGES+"openfolder.gif'  hspace='0' vspace='0' border='0'>";
	 valores+=divs[i].style.display+"%";
	}
   }

}

function Collapse() {
   for (i=0;i<divs.length;i++) {
   	if ( (divs[i].id != "")  && (divs[i].className=='arbol1') )
   	{
     divs[i].style.display="none";
     key=document.getElementById("x" + divs[i].id);
     key.innerHTML="<img src='"+URL_IMAGES+"closedfolder.gif'  hspace='0' vspace='0' border='0'>";
	 valores+=divs[i].style.display+"%";
	}
   }
}