var nav_xmlHttp;
    
    var hide_nav_path = true;

    var navblock_enlarged = false;
    var navblock_top_added = false;

    function show_nav_path(){
	if(document.getElementById("nav_path")){
		document.getElementById("nav_path").style.left = (actual_mouseX+30)+"px";
		document.getElementById("nav_path").style.top = (actual_mouseY+30)+"px";
		document.getElementById("nav_path").style.visibility="visible";
	}
	
	hide_nav_path=false;
    }
    
    function do_hide_nav_path(){
	    if(document.getElementById("nav_path")) document.getElementById("nav_path").style.visibility="hidden";
	   
	    hide_nav_path=true;
    }

    function reload_nav(_id, _be_id, _kg_id, _kind){

		var url="nav_";
		url = url + "arid-"+ar_id;
		url = url + "-kind-"+_kind;
		if(_id!="-") url = url + "-id-"+_id;
		if(_kg_id!="-") url = url + "-kgid-"+_kg_id;
		if(_be_id!="-") url = url + "-beid-"+_be_id;
		url = url + ".html";
	
		nav_xmlHttp = new net.ContentLoader(url,nav_stateChanged);
    }


    function nav_stateChanged(){
    
		var element;
		var content = this.req.responseText;
		
		var te;
		var be;
		var ve;
	
		var ll;
		var l;
		var r;
		var rr;
	
		var tab_change = 0;//!!!!!!!!!!!!!!
		
		if(document.getElementById('nav_t_ll')){
			if(content.indexOf('<te>') > -1){
				te = content.substring(content.indexOf('<te>')+4, content.indexOf("</te>"));
		
				ll = te.substring(te.indexOf('<ll>')+4, te.indexOf("</ll>"));
				l = te.substring(te.indexOf('<l>')+3, te.indexOf("</l>"));
				r = te.substring(te.indexOf('<r>')+3, te.indexOf("</r>"));
				rr = te.substring(te.indexOf('<rr>')+4, te.indexOf("</rr>"));
		
				document.getElementById("nav_t_ll").innerHTML = "<a id='nav_t_ll_a' onmouseover='show_nav_path(); button_tooltip("+ll+",0,\"t\")' onmouseout='do_hide_nav_path();' href='' alt=''><img id='nav_t_ll_img' style='position:absolute;' border='none'/></a>"; 
				document.getElementById("nav_t_l").innerHTML = "<a id='nav_t_l_a' onmouseover='show_nav_path(); button_tooltip("+l+",0,\"t\")' onmouseout='do_hide_nav_path();' href='' alt=''><img id='nav_t_l_img' style='position:absolute;' border='none'/></a>"; 
				document.getElementById("nav_t_r").innerHTML = "<a id='nav_t_r_a' onmouseover='show_nav_path();  button_tooltip("+r+",0,\"t\")' onmouseout='do_hide_nav_path();' href='' alt=''><img id='nav_t_r_img' style='position:absolute;' border='none'/></a>"; 
				document.getElementById("nav_t_rr").innerHTML = "<a id='nav_t_rr_a' onmouseover='show_nav_path(); button_tooltip("+rr+",0,\"t\")' onmouseout='do_hide_nav_path();' href='' alt=''><img id='nav_t_rr_img' style='position:absolute;' border='none'/></a>"; 
		
				document.getElementById("nav_t_ll_a").href = "javascript: button_click('open','t',"+ll+",'','','','rechter','',"+tab_change+");";
				document.getElementById("nav_t_l_a").href = "javascript: button_click('open','t',"+l+",'','','','rechter','',"+tab_change+");";
				document.getElementById("nav_t_r_a").href = "javascript: button_click('open','t',"+r+",'','','','rechter','',"+tab_change+");";
				document.getElementById("nav_t_rr_a").href = "javascript: button_click('open','t',"+rr+",'','','','rechter','',"+tab_change+");";            		
		
				document.getElementById("nav_t_ll_img").src = "../icons/nav_t_ll.gif";      
				document.getElementById("nav_t_l_img").src = "../icons/nav_t_l.gif";      
				document.getElementById("nav_t_r_img").src = "../icons/nav_t_r.gif";     
				document.getElementById("nav_t_rr_img").src = "../icons/nav_t_rr.gif";
			}
		
			if(content.indexOf('<be>') > -1){
				be = content.substring(content.indexOf('<be>')+4, content.indexOf("</be>"));
		
				ll = be.substring(be.indexOf('<ll>')+4, be.indexOf("</ll>"));
				l = be.substring(be.indexOf('<l>')+3, be.indexOf("</l>"));
				r = be.substring(be.indexOf('<r>')+3, be.indexOf("</r>"));
				rr = be.substring(be.indexOf('<rr>')+4, be.indexOf("</rr>"));
		
				document.getElementById("nav_b_ll").innerHTML = "<a id='nav_b_ll_a' onmouseover='show_nav_path(); button_tooltip("+ll+",0,\"b\")' onmouseout='do_hide_nav_path();' href='' alt=''><img id='nav_b_ll_img' style='position:absolute;' border='none'/></a>";      
				document.getElementById("nav_b_l").innerHTML = "<a id='nav_b_l_a' onmouseover='show_nav_path(); button_tooltip("+l+",0,\"b\")' onmouseout='do_hide_nav_path();' href='' alt=''><img id='nav_b_l_img' style='position:absolute;' border='none'/></a>";      
				document.getElementById("nav_b_r").innerHTML = "<a id='nav_b_r_a' onmouseover='show_nav_path(); button_tooltip("+r+",0,\"b\")' onmouseout='do_hide_nav_path();' href='' alt=''><img id='nav_b_r_img' style='position:absolute;' border='none'/></a>";    
				
				document.getElementById("nav_b_rr").innerHTML = "<a id='nav_b_rr_a' onmouseover='show_nav_path(); button_tooltip("+rr+",0,\"b\")' onmouseout='do_hide_nav_path();' href='' alt=''><img id='nav_b_rr_img' style='position:absolute;' border='none'/></a>";
		
				document.getElementById("nav_b_ll_a").href = "javascript: button_click('open','b',"+ll+",'','','','rechter','',"+tab_change+");";
				document.getElementById("nav_b_l_a").href = "javascript: button_click('open','b',"+l+",'','','','rechter','',"+tab_change+");";
				document.getElementById("nav_b_r_a").href = "javascript: button_click('open','b',"+r+",'','','','rechter','',"+tab_change+");";
				document.getElementById("nav_b_rr_a").href = "javascript: button_click('open','b',"+rr+",'','','','rechter','',"+tab_change+");";            		          	
		
				document.getElementById("nav_b_ll_img").src = "../icons/nav_b_ll.gif";      
				document.getElementById("nav_b_l_img").src = "../icons/nav_b_l.gif";      
				document.getElementById("nav_b_r_img").src = "../icons/nav_b_r.gif";     
				document.getElementById("nav_b_rr_img").src = "../icons/nav_b_rr.gif";
		
				if(content.indexOf('<ve>') == -1){
					document.getElementById("nav_mini_ll").href = "javascript: button_click('open','b',"+ll+",'','','','rechter','',"+tab_change+");";
					document.getElementById("nav_mini_l").href = "javascript: button_click('open','b',"+l+",'','','','rechter','',"+tab_change+");";
					document.getElementById("nav_mini_r").href = "javascript: button_click('open','b',"+r+",'','','','rechter','',"+tab_change+");";
					document.getElementById("nav_mini_rr").href = "javascript: button_click('open','b',"+rr+",'','','','rechter','',"+tab_change+");";
				}
			}
			else{
				
				document.getElementById("nav_b_ll").innerHTML = "<img id='nav_b_ll_img' style='position:absolute;' border='none'/>";      
				document.getElementById("nav_b_l").innerHTML = "<img id='nav_b_l_img' style='position:absolute;' border='none'/>";      
				document.getElementById("nav_b_r").innerHTML = "<img id='nav_b_r_img' style='position:absolute;' border='none'/>";    
				document.getElementById("nav_b_rr").innerHTML = "<img id='nav_b_rr_img' style='position:absolute;' border='none'/>";
		
				document.getElementById("nav_b_ll_img").src = "../icons/nav_b_ll_off.gif";      
				document.getElementById("nav_b_l_img").src = "../icons/nav_b_l_off.gif";      
				document.getElementById("nav_b_r_img").src = "../icons/nav_b_r_off.gif";     
				document.getElementById("nav_b_rr_img").src = "../icons/nav_b_rr_off.gif"; 
				
			}
	
			if(content.indexOf('<kg>') > -1){
				kg = content.substring(content.indexOf('<kg>')+4, content.indexOf("</kg>"));
		
				ll = kg.substring(kg.indexOf('<ll>')+4, kg.indexOf("</ll>"));
				l = kg.substring(kg.indexOf('<l>')+3, kg.indexOf("</l>"));
				r = kg.substring(kg.indexOf('<r>')+3, kg.indexOf("</r>"));
				rr = kg.substring(kg.indexOf('<rr>')+4, kg.indexOf("</rr>"));
		
				document.getElementById("nav_k_ll").innerHTML = "<a id='nav_k_ll_a' onmouseover='show_nav_path(); button_tooltip("+ll+",be_id,\"k\")' onmouseout='do_hide_nav_path();' href='' alt='' title='k_ll'><img id='nav_k_ll_img' style='position:absolute;' border='none'/></a>";      
				document.getElementById("nav_k_l").innerHTML = "<a id='nav_k_l_a' onmouseover='show_nav_path(); button_tooltip("+l+",be_id,\"k\")' onmouseout='do_hide_nav_path();' href='' alt='' title='k_l'><img id='nav_k_l_img' style='position:absolute;' border='none'/></a>";      
				document.getElementById("nav_k_r").innerHTML = "<a id='nav_k_r_a' onmouseover='show_nav_path(); button_tooltip("+r+",be_id,\"k\")' onmouseout='do_hide_nav_path();' href='' alt='' title='k_r'><img id='nav_k_r_img' style='position:absolute;' border='none'/></a>";    
				document.getElementById("nav_k_rr").innerHTML = "<a id='nav_k_rr_a' onmouseover='show_nav_path(); button_tooltip("+rr+",be_id,\"k\")' onmouseout='do_hide_nav_path();' href='' alt='' title='k_rr'><img id='nav_k_rr_img' style='position:absolute;' border='none'/></a>";
		
				document.getElementById("nav_k_ll_a").href = "javascript: button_click('open','k',"+ll+",be_id,'','','rechter','',"+tab_change+");";
				document.getElementById("nav_k_l_a").href = "javascript: button_click('open','k',"+l+",be_id,'','','rechter','',"+tab_change+");";
				document.getElementById("nav_k_r_a").href = "javascript: button_click('open','k',"+r+",be_id,'','','rechter','',"+tab_change+");";
				document.getElementById("nav_k_rr_a").href = "javascript: button_click('open','k',"+rr+",be_id,'','','rechter','',"+tab_change+");";            		          	
		
		
				document.getElementById("nav_k_ll_img").src = "../icons/nav_k_ll.gif";      
				document.getElementById("nav_k_l_img").src = "../icons/nav_k_l.gif";      
				document.getElementById("nav_k_r_img").src = "../icons/nav_k_r.gif";     
				document.getElementById("nav_k_rr_img").src = "../icons/nav_k_rr.gif";
			}
			else{         	
				document.getElementById("nav_k_ll").innerHTML = "<img id='nav_k_ll_img' style='position:absolute;' border='none'/>";      
				document.getElementById("nav_k_l").innerHTML = "<img id='nav_k_l_img' style='position:absolute;' border='none'/>";      
				document.getElementById("nav_k_r").innerHTML = "<img id='nav_k_r_img' style='position:absolute;' border='none'/>";    
				document.getElementById("nav_k_rr").innerHTML = "<img id='nav_k_rr_img' style='position:absolute;' border='none'/>";
		
				document.getElementById("nav_k_ll_img").src = "../icons/nav_k_ll_off.gif";      
				document.getElementById("nav_k_l_img").src = "../icons/nav_k_l_off.gif";      
				document.getElementById("nav_k_r_img").src = "../icons/nav_k_r_off.gif";     
				document.getElementById("nav_k_rr_img").src = "../icons/nav_k_rr_off.gif";
			}
		
			if(content.indexOf('<ve>') > -1){
				ve = content.substring(content.indexOf('<ve>')+4, content.indexOf("</ve>"));
		
				ll = ve.substring(ve.indexOf('<ll>')+4, ve.indexOf("</ll>"));
				l = ve.substring(ve.indexOf('<l>')+3, ve.indexOf("</l>"));
				r = ve.substring(ve.indexOf('<r>')+3, ve.indexOf("</r>"));
				rr = ve.substring(ve.indexOf('<rr>')+4, ve.indexOf("</rr>"));
		
				document.getElementById("nav_v_ll").innerHTML = "<a id='nav_v_ll_a' onmouseover='show_nav_path(); button_tooltip("+ll+",0,\"ve_e\")' onmouseout='do_hide_nav_path();' href='' alt='' title='v_ll'><img id='nav_v_ll_img' style='position:absolute;' border='none'/></a>";      
				document.getElementById("nav_v_l").innerHTML = "<a id='nav_v_l_a' onmouseover='show_nav_path(); button_tooltip("+l+",0,\"ve_e\")' onmouseout='do_hide_nav_path();' href='' alt='' title='v_l'><img id='nav_v_l_img' style='position:absolute;' border='none'/></a>";      
				document.getElementById("nav_v_r").innerHTML = "<a id='nav_v_r_a' onmouseover='show_nav_path(); button_tooltip("+r+",0,\"ve_e\")' onmouseout='do_hide_nav_path();' href='' alt='' title='v_r'><img id='nav_v_r_img' style='position:absolute;' border='none'/></a>";    
				document.getElementById("nav_v_rr").innerHTML = "<a id='nav_v_rr_a' onmouseover='show_nav_path(); button_tooltip("+rr+",0,\"ve_e\")' onmouseout='do_hide_nav_path();' href='' alt='' title='v_rr'><img id='nav_v_rr_img' style='position:absolute;' border='none'/></a>";
		
				document.getElementById("nav_v_ll_a").href = "javascript: button_click('open','v',"+ll+",'','','','rechter','',"+tab_change+");";
				document.getElementById("nav_v_l_a").href = "javascript: button_click('open','v',"+l+",'','','','rechter','',"+tab_change+");";
				document.getElementById("nav_v_r_a").href = "javascript: button_click('open','v',"+r+",'','','','rechter','',"+tab_change+");";
				document.getElementById("nav_v_rr_a").href = "javascript: button_click('open','v',"+rr+",'','','','rechter','',"+tab_change+");";            		          	
		
				document.getElementById("nav_v_ll_img").src = "../icons/nav_v_ll.gif";      
				document.getElementById("nav_v_l_img").src = "../icons/nav_v_l.gif";      
				document.getElementById("nav_v_r_img").src = "../icons/nav_v_r.gif";     
				document.getElementById("nav_v_rr_img").src = "../icons/nav_v_rr.gif";
		
			}
			else{
				document.getElementById("nav_v_ll").innerHTML = "<img id='nav_v_ll_img' style='position:absolute;' border='none'/>";      
				document.getElementById("nav_v_l").innerHTML = "<img id='nav_v_l_img' style='position:absolute;' border='none'/>";      
				document.getElementById("nav_v_r").innerHTML = "<img id='nav_v_r_img' style='position:absolute;' border='none'/>";    
				document.getElementById("nav_v_rr").innerHTML = "<img id='nav_v_rr_img' style='position:absolute;' border='none'/>";
		
				document.getElementById("nav_v_ll_img").src = "../icons/nav_v_ll_off.gif";      
				document.getElementById("nav_v_l_img").src = "../icons/nav_v_l_off.gif";      
				document.getElementById("nav_v_r_img").src = "../icons/nav_v_r_off.gif";     
				document.getElementById("nav_v_rr_img").src = "../icons/nav_v_rr_off.gif";
			}
		
		
		
			if(navblock_enlarged) enlarge_navblock();
		}
		
		if(content.indexOf('<ve>') > -1){
			ve = content.substring(content.indexOf('<ve>')+4, content.indexOf("</ve>"));
	
			ll = ve.substring(ve.indexOf('<ll>')+4, ve.indexOf("</ll>"));
			l = ve.substring(ve.indexOf('<l>')+3, ve.indexOf("</l>"));
			r = ve.substring(ve.indexOf('<r>')+3, ve.indexOf("</r>"));
			rr = ve.substring(ve.indexOf('<rr>')+4, ve.indexOf("</rr>"));
		
			document.getElementById("nav_mini_ll").href = "javascript: button_click('open','v',"+ll+",'','','','rechter','',"+tab_change+");";
			document.getElementById("nav_mini_l").href = "javascript: button_click('open','v',"+l+",'','','','rechter','',"+tab_change+");";
			document.getElementById("nav_mini_r").href = "javascript: button_click('open','v',"+r+",'','','','rechter','',"+tab_change+");";
			document.getElementById("nav_mini_rr").href = "javascript: button_click('open','v',"+rr+",'','','','rechter','',"+tab_change+");";
		}
		else if(content.indexOf('<be>') > -1){
			be = content.substring(content.indexOf('<be>')+4, content.indexOf("</be>"));
	
			ll = be.substring(be.indexOf('<ll>')+4, be.indexOf("</ll>"));
			l = be.substring(be.indexOf('<l>')+3, be.indexOf("</l>"));
			r = be.substring(be.indexOf('<r>')+3, be.indexOf("</r>"));
			rr = be.substring(be.indexOf('<rr>')+4, be.indexOf("</rr>"));
			
			document.getElementById("nav_mini_ll").href = "javascript: button_click('open','b',"+ll+",'','','','rechter','',"+tab_change+");";
			document.getElementById("nav_mini_l").href = "javascript: button_click('open','b',"+l+",'','','','rechter','',"+tab_change+");";
			document.getElementById("nav_mini_r").href = "javascript: button_click('open','b',"+r+",'','','','rechter','',"+tab_change+");";
			document.getElementById("nav_mini_rr").href = "javascript: button_click('open','b',"+rr+",'','','','rechter','',"+tab_change+");";	
		}	
    }