function show_submenu(sub_obj,sub,halo_div1,teks)
	{ 
			
		if(sub!="true") {
			if(document.getElementById(sub_obj).style.display=="block")
				{	
					document.getElementById(sub_obj).style.display = "none";
					document.getElementById(halo_div1).innerHTML = "<img src=\"images/arrow_r.gif\" border=\"0\">&nbsp;&nbsp;"+teks;
					
				}
			else if(document.getElementById(sub_obj).style.display=="none")
			{	
				document.getElementById(sub_obj).style.display = "block"; 
				document.getElementById(halo_div1).innerHTML = "<img src=\"images/arrow_down.gif\" border=\"0\">&nbsp;&nbsp;"+teks;
			}
		} else {
			document.getElementById(sub_obj).style.display = "block";
			document.getElementById(halo_div1).innerHTML = "<img src=\"images/arrow_r.gif\" border=\"0\">&nbsp;&nbsp;"+teks;
		}
		
	}
	
function show_nav(sub_obj)
	{
			
			if(document.getElementById(sub_obj).style.display=="block")
				{	
					document.getElementById(sub_obj).style.display = "none";	
					document.getElementById('menu_capt').innerHTML = "<img src='_images/more.gif' />";	
					document.getElementById('content_blok').style.width = "100%";
				}
			else if(document.getElementById(sub_obj).style.display=="none")
			{	
				document.getElementById(sub_obj).style.display = "block"; 			
				document.getElementById('menu_capt').innerHTML = "<img src='_images/less.gif' />";	
				document.getElementById('content_blok').style.width = "80%";
			}
		
		
	}
	
function menu_active(act_menu)
	{
		document.getElementById(sub_obj).style.display = "none";
	}