<!--
// left menu
var showitem='';
function show(id){
	var obj =  document.getElementById(id);
	if (!obj) return;
	if(showitem!='' & showitem!=id) document.getElementById(showitem).style.display = 'none';
	if (obj.style.display == 'none' || obj.style.display == ''){
		obj.style.display = 'block';
		showitem = id;
	}else{
		obj.style.display = 'none';
	}
}
// -->