var elt_cur="";
function layer(layerName){
  if(document.getElementById) return document.getElementById(layerName)
  if(document.all) return document.all[layerName]
  if(document.layers) return document.layers[layerName]
  return null
}

function toggleCat(elt_id){ 
  var elt = layer(elt_id); 
  if(elt.style.display != 'none'){ elt.style.display='none'; elt_cur="";} else { elt.style.display='block'; elt_cur=elt_id;}
}

function toggleCat2(elt_id) { 
var elt="";
for(var i=1;i<200;i++){if(elt_id!=("k"+i)){elt=layer('k'+i); if(elt){elt.style.display='none';}  }}
elt = layer(elt_id); 
if(elt.style.display != 'none'){ elt.style.display='none'; elt_cur="";} else { elt.style.display='block'; elt_cur=elt_id;}
} 


function desc(id){ 
  var elt1 = layer("desc1"); var elt2 = layer("desc2"); var elab1 = layer("label1"); var elab2 = layer("label2"); 
  if(id==1){  
	elt1.style.display='none'; elt2.style.display="block"; 
	elab1.style.fontWeight="normal"; elab2.style.fontWeight="bold";
	elab1.style.borderBottom="1px solid #EAEAEA"; //	elab1.style.borderRight="1px solid #EAEAEA";
	elab1.style.backgroundColor="#EAEAEA"; elab2.style.backgroundColor="#FFFFFF";
	elab2.style.borderBottom="0px"; 
	}
  else {
	elt2.style.display='none'; elt1.style.display="block"; 
	elab2.style.fontWeight="normal"; elab1.style.fontWeight="bold";
	//elab2.style.borderBottom="1px solid #EAEAEA"; 
	elab1.style.borderBottom="0px";
	elab2.style.backgroundColor="#EAEAEA"; elab1.style.backgroundColor="#FFFFFF";
	}
}