function downSlide(obj){
    var mListNode = document.getElementById("downList").childNodes;
    for(i=0; i<mListNode.length; i++){
        var view = document.getElementById("section"+i);
        if(obj == i){
            if(view.style.display == "none"){
                view.style.display = "block";
            }
            else{
                view.style.display = "none";
            }
        }
    }
}

function fixLeftMenu(obj) {
	var view = document.getElementById("section" + obj);
	if( view != null ) view.style.display = "block";
}