var myrules = {
		
		'ul.lb_Navi li a' : function(element){
			element.onmousedown = function(){
				if (this.className == "")	{
					this.className = "open";
				}	else	{
					this.className = "";
				}
				if ($(this.id + "_dd").className == "hidden")	{
					$(this.id + "_dd").className = "";
				}	else	{
					$(this.id + "_dd").className = "hidden";
				}
			}
						
		},
		
		'ul.lb_Navi li ul li' : function(element){
			element.onmouseover = function(){
				this.className = "over";
			}
			element.onmouseout = function(){
				this.className = "";
			}
		},
		
		'ul.lb_Navi li ul li.toc' : function(element){
			element.onmouseover = function(){
				this.className = "toc_over";
			}
			element.onmouseout = function(){
				this.className = "toc";
			}
		},
		
		'ul.lb_Navi li ul li.archive' : function(element){
			element.onmouseover = function(){
				return true;
			}
			element.onmouseout = function(){
				return true;
			}
		}
	
	
	};
	
	Behaviour.register(myrules);