function MenueStart()
{
	var body_nodes=getElementsByClassName("div","MNUB");
	for(var i=0; i<body_nodes.length;i++ )
	body_nodes[i].style.display="none";
}

function Menue(obj)
{	
	
	window.document.getElementById("SubMenu_selected").style.display = "none";
	window.document.getElementById("SubMenu_selected").id = "SubMenu";
	
	obj.parentNode.getElementsByTagName("DIV")[1].style.display = "block";
	obj.parentNode.getElementsByTagName("DIV")[1].id = "SubMenu_selected";
}

function getElementsByClassName( tag_name , class_name )
{
	var arr=new Array();
	var elements =document.getElementsByTagName(tag_name);
 	for(var i=0;i<elements.length;i++ )
 	   {
  	    if(elements[i].className == class_name)
  	      {
   		arr.push(elements[i]);
  	      }
 	    }
 	return arr;
}