var close_menu_interval = 0;
var sub_navigation_effect = null;
/*
Event.addBehavior({
	'#sub_navigation' : function() {
		this.hide();
		navigation_expanded = false;
	},

	'div.navigation:mouseover' : function() {
	
			if (sub_navigation_effect)
			{
				
				sub_navigation_effect.cancel();
				sub_navigation_effect = null;
				sub_navigation_effect = new Effect.Appear($('sub_navigation'),{duration:.3,to:.80,afterFinish:function()
					{
						sub_navigation_effect = null;
					}
				});
			
			}
		
			else
			{
			
				sub_navigation_effect = new Effect.Appear($('sub_navigation'),{duration:.3,to:.80,afterFinish:function()
					{		
						sub_navigation_effect = null;
										
					}
				});
			
			}
		
	},
	
	'div.navigation:mouseout' : function() {
		//close_menu_interval = setInterval("close_menu()",1000);
			if (sub_navigation_effect)
			{
				
				sub_navigation_effect.cancel();
				sub_navigation_effect = null;
				sub_navigation_effect = new Effect.Fade($('sub_navigation'),{duration:.45,afterFinish:function()
					{
						sub_navigation_effect = null;
					}
				});
			
			}
		
			else
			{
			
				sub_navigation_effect = new Effect.Fade($('sub_navigation'),{duration:.45,afterFinish:function()
					{		
						sub_navigation_effect = null;
										
					}
				});
			
			}
	}
	
	
});


var close_menu = function()
{

		if (sub_navigation_effect)
		{
			sub_navigation_effect.cancel();
			sub_navigation_effect = null;
			
			var sub_navigation_effect = new Effect.Fade($('sub_navigation'),{afterFinish:function()
				{
			
				}
			});
		}
		else
		{
			var sub_navigation_effect = new Effect.Fade($('sub_navigation'),{afterFinish:function()
				{
			
				}
			});
		}
	clearInterval(close_menu_interval);
	
	
	
}

*/