// global variables //
	var act_submen=0;
//	var act_mainmen=0;

//	var act_color="#f3cf07";		// gelb
//	var deact_color="#8a898d";		// grau
	var act_color="#a70509";		// dunkelrot
	var deact_color="#f46c08";		// orange
	var act_fontWeight="600";
	var deact_fontWeight="600";

	var bVisited_main=0;
	var bSubMen=0;

	act_men[0] = 0; 	// aktueller hauptmenueeintrag
	act_men[1] = 0; 	// aktueller untermenueeintrag
	act_men[2] = 0;		// frei fuer weitere menueebenen
	act_men[3] = 0;
	act_men[4] = 0;
	act_men[5] = 0;

	function show_glasplatte()
	{
		document.getElementById( "glasplatte" ).style.visibility='visible';
	}

	function hide_glasplatte()
	{
		document.getElementById( "glasplatte" ).style.visibility='hidden';
		cls_content();
	}

	function cls_content()
	{
		document.all.div_innerHTML.innerHTML = "";
	}


	function del_submen( old_mainmen )
	{
		for( var i=0;i<document.getElementById('sub_projekte').getElementsByTagName('div').length;i++ )
		{
			if( typeof document.getElementById('sub_projekte').getElementsByTagName('div')[0].childNodes[0].id == 'undefined' )
			{
			       document.getElementById('sub_projekte').getElementsByTagName('div')[i].childNodes[1].style.visibility='hidden';
			       document.getElementById('sub_projekte').getElementsByTagName('div')[i].childNodes[3].style.visibility='hidden';
			}
			else
			{
			       document.getElementById('sub_projekte').getElementsByTagName('div')[i].childNodes[0].style.visibility='hidden';
			       document.getElementById('sub_projekte').getElementsByTagName('div')[i].childNodes[2].style.visibility='hidden';
			}
		}
	}

	function set_submen( new_submen,new_mainmen )
	{
		cls_content();
		if( act_submen )
		{
			act_submen.style.visibility='hidden';
			document.getElementById( act_men[0] ).style.color=deact_color;
			document.getElementById( act_men[0] ).style.fontWeight=deact_fontWeight;
		}
		new_submen.style.visibility='visible';
		document.getElementById( new_mainmen ).style.color=act_color;
		document.getElementById( new_mainmen ).style.fontWeight=act_fontWeight;
		act_submen=new_submen;
		act_men[0]=new_mainmen;
		//document.getElementById( "iframe_for_transparent" ).src="transp.html";
	}

	function set_subcontent( ue_param,new_sub_id )
	{
		var URL="/cgi-bin/hubertkamuf/hubertkamuf.pl?FILENAME="+ue_param;
		if( act_men[1] && new_sub_id != "dummy_sub" )
		{
//		alert( "act_men[1] = " + act_men[1] );
			document.getElementById( act_men[1] ).style.color=deact_color;
			document.getElementById( act_men[1] ).style.fontWeight=deact_fontWeight;
		}

//		alert( "new_sub_id = " + new_sub_id );
		if( new_sub_id != "dummy_sub" )
		{
			act_men[1] = new_sub_id;
			document.getElementById( act_men[1] ).style.color=act_color;
			document.getElementById( act_men[1] ).style.fontWeight=act_fontWeight;
		}

		new Ajax.Request( URL,
		{
			onComplete: function(request)
			{
// des scheint altbacken zu sein lt. firefox, aber funzt     ---> wie aendern???
					document.all.div_innerHTML.innerHTML = request.responseText;
//	geht im IE nicht document.getElementById( div_innerHTML ).innerHTML = request.responseText;
			},
			asouncronous: true
		} 				);
	}

	function set_maincontent( ue_param,new_sub_id )
	{
		var old_mainmen = act_men[0];
		var URL="/cgi-bin/hubertkamuf/hubertkamuf.pl?FILENAME="+ue_param;
//alert( act_submen );
		if( act_submen )
		{
			act_submen.style.visibility='hidden';
			act_men[0] = new_sub_id;
			set_men_deactive( old_mainmen );
		}
		act_men[0] = new_sub_id;
		set_men_deactive( old_mainmen );
		set_men_active( act_men[0] );
		new Ajax.Request( URL,
		{
			onComplete: function(request)
			{
				document.all.div_innerHTML.innerHTML = request.responseText;
			},
			asouncronous: true
		} 				);
	}