function toggleExpand(section){

	if(document.getElementById([section]).style.display=='block'){
		document.getElementById([section]).style.display='none';
		document.getElementById([section]).style.height='0';
		//document.body.clientHeight='100%';
	}
	else{
		document.getElementById([section]).style.display='block';
		
		 for(var i=1;i<=10;i++)
		  {
			if (section!='layer'+i){
				if (document.getElementById('layer'+i)){
					document.getElementById('layer'+i).style.display='none';
				}
				
			}
		  }
		  
		document.getElementById([section]).style.height='auto';
	}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function show_hide(obj,action)
{
  obj=MM_findObj(obj);
  action=(action=='show')?"visible":"hidden";
  if(obj){obj.style.visibility=action};
}

function hide_all()
{
  for(var i=1;i<=50;i++)
  {
	show_hide("layersub"+i,"hide");
  }
}