var act=0;	
	
	function hideBoxes(){
		var divs = document.getElementById("content").getElementsByTagName("div");		
	 	
	   		for (var i = 0; i < divs.length; i++){
	   			var klasse = divs[i].getAttribute("class");
				klasse = klasse? klasse : divs[i].getAttribute("className");
	   			if(klasse=="box"){   			
	   				var temp = divs[i].getElementsByTagName("div");	   		
			   		for (var j = 0; j < temp.length; j++){	   	    				
	    						//divs[i].style.display= 'block';
	    						act = divs[i].getAttribute("id");
	    						return;	    					
	    				}
	   		
	    			}   	
	    		}

	};
	
	function displayBox(box){
	    if(act != 0 && act!=box)
	    	document.getElementById(act).style.display='none';
	   
	    //document.getElementById(box).style.display='block';
	    
	    var temp = document.getElementById(box);
	    
	    temp.style.display=(temp.style.display=='block') ? 'none' : 'block';
	    act=box;
	    

	   
	};