var activeid = "";

        function setActive(id){
            activeid = id;
            if(document.getElementById(activeid)){
                document.getElementById(activeid).style.display = "block";
                document.getElementById(activeid + '_link').className = "active";
            }else{
                if(document.getElementById(activeid + '_link')){
	                document.getElementById(activeid + '_link').className = "active";
            	}
			}
        }

		function show(id){
			if(document.getElementById(id)){
				if(document.getElementById(activeid)){
	                document.getElementById(activeid).style.display = "none";
    	            document.getElementById(activeid + '_link').className = "";
				}else{
                    if(document.getElementById(activeid + '_link')){
                        document.getElementById(activeid + '_link').className = "active";
                    }
				}
                document.getElementById(id).style.display = "block";
                document.getElementById(id + '_link').className = "active";
			}else{
				if(document.getElementById(activeid)){
	                document.getElementById(activeid).style.display = "none";
    	            document.getElementById(activeid + '_link').className = "";
				}else{
                    if(document.getElementById(activeid + '_link')){
                        document.getElementById(activeid + '_link').className = "active";
                    }
				}
                if(document.getElementById(id + '_link')){
                    document.getElementById(id + '_link').className = "active";
                }
			}
		}

		function hide(id){
			if(document.getElementById(id)){
				document.getElementById(id).style.display = "none";
				document.getElementById(id + '_link').className = "";
			}else{
                if(document.getElementById(id + '_link')){
                    document.getElementById(id + '_link').className = "";
                }
			}

			if(document.getElementById(activeid)){
				document.getElementById(activeid).style.display = "block";
				document.getElementById(activeid + '_link').className = "active";
			}else{
                if(document.getElementById(activeid + '_link')){
                    document.getElementById(activeid + '_link').className = "active";
                }
			}
		}