var active_hidden_text = "";

	function show_hidden_obj(obj){
		if(document.getElementById(obj).style.display == 'block'){
		document.getElementById(obj).style.display = 'block';
		}
		else{
		document.getElementById(obj).style.display = 'block';
		}
		if(active_hidden_text != "" && active_hidden_text != obj){
		document.getElementById(active_hidden_text).style.display = 'none';
		}	
		active_hidden_text = obj;
	}
	
	function hide_visible_object(obj) {
		if(document.getElementById(obj).style.display == 'none'){
		document.getElementById(obj).style.display = 'none';
		}
		else{
		document.getElementById(obj).style.display = 'none';
		}

		visible_text = obj;
	
	}