function init(){
	region_array = document.getElementsByClassName('nav_link_region');
	gebiet_array = document.getElementsByClassName('nav_link_gebiet');
	gruppe_array = document.getElementsByClassName('nav_link_gruppe');
	block_array = document.getElementsByClassName('nav_link_block');
	gebiet_con_array = document.getElementsByClassName('con_gebiet');
	gruppe_con_array = document.getElementsByClassName('con_gruppe');
	block_con_array = document.getElementsByClassName('con_block');
	loader_img = new Image();
	loader_img.src = "grafiken/loader_2.gif";
}
function over_b(obj,which){
	if(which == 1){
		obj.style.color = "#0063dc";
	}
	if(which == 2){
		obj.style.fontSize != "1.3em" ? obj.style.color = "#00ff00" :true ;
	}
}
function out_b(obj,which){
	if(which == 1){
		obj.style.fontSize != "1.2em" ? obj.style.color = "#555555" :true ;
	}
	if(which == 2){
		obj.style.fontSize != "1.3em" ? obj.style.color = "#eeeeee" :true ;
	}
}
function show_gebiet(id,obj){
	$('con_gebiet_s').style.display = "none";
	for(var i=0; i<region_array.length; i++){
		region_array[i].style.color = "#555555";
		region_array[i].style.fontSize = "0.9em";
	}
	obj.style.color = "#0063dc";
	obj.style.fontSize = "1.2em";
	
	for(var i=0; i<gebiet_con_array.length; i++){
		var search_id = parseInt(gebiet_con_array[i].id.substring(7));
		if(search_id == id){
			gebiet_con_array[i].style.position = "static";
		}
		else{
			gebiet_con_array[i].style.position = "absolute";
			gebiet_con_array[i].style.left = "-10000px";
		}
	}
}
function show_gruppe(id,obj){
	$('con_gruppe_s').style.display = "none";
	for(var i=0; i<gebiet_array.length; i++){
		gebiet_array[i].style.color = "#555555";
		gebiet_array[i].style.fontSize = "0.9em";
	}
	obj.style.color = "#0063dc";
	obj.style.fontSize = "1.2em";
	
	for(var i=0; i<gruppe_con_array.length; i++){
		var search_id = parseInt(gruppe_con_array[i].id.substring(7));
		if(search_id == id){
			gruppe_con_array[i].style.position = "static";
		}
		else{
			gruppe_con_array[i].style.position = "absolute";
			gruppe_con_array[i].style.left = "-10000px";
		}
	}
}
function show_block(id,obj){
	$('con_block_s').style.display = "none";
	for(var i=0; i<gruppe_array.length; i++){
		gruppe_array[i].style.color = "#555555";
		gruppe_array[i].style.fontSize = "0.9em";
	}
	obj.style.color = "#0063dc";
	obj.style.fontSize = "1.2em";
	
	for(var i=0; i<block_con_array.length; i++){
		var search_id = parseInt(block_con_array[i].id.substring(7));
		if(search_id == id){
			block_con_array[i].style.position = "static";
		}
		else{
			block_con_array[i].style.position = "absolute";
			block_con_array[i].style.left = "-10000px";
		}
	}
}
function block(id,obj){
	for(var i=0; i<block_array.length; i++){
		block_array[i].style.color = "#555555";
		block_array[i].style.fontSize = "0.9em";
	}
	obj.style.color = "#0063dc";
	obj.style.fontSize = "1.2em";
	
	$('boulder_list').style.display = "block";
	$("boulder_list").innerHTML = "<img style='margin:10px' id='loader' src=''>";
 	$("loader").src = loader_img.src;
 	var opt = {method:'post', evalScripts:true, postBody:'block_id='+id};
  	new Ajax.Updater({success:'boulder_list'}, 'get_main_boulder.php', opt);
}