function SwitchMenu(obj){
	if(document.getElementById){
		var el = document.getElementById(obj);
		var ar = document.getElementById("cont").getElementsByTagName("DIV");
		if(el.style.display == "none"){
			for (var i=0; i<ar.length; i++){
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		}else{
			el.style.display = "none";
		}
		SaveSelection(obj);
	}
}
function setCookie(name,value){
        var expires = '';
        var path = '';
        var domain = '';
        var secure = '';
        document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}
function getCookie(name){
    var cookie = " " + document.cookie;
    var search = " " + name + "=";
    var setStr = null;
    var offset = 0;
    var end = 0;
    if (cookie.length > 0) {
      offset = cookie.indexOf(search);
      if (offset != -1) {
        offset += search.length;
        end = cookie.indexOf(";", offset)
        if (end == -1) {
          end = cookie.length;
        }
        setStr = unescape(cookie.substring(offset, end));
      }
    }
    return(setStr);
}
function SaveSelection(menuid){
	setCookie('selected_menu',menuid);
}
function ExpandMenu(){
	try {
  	var id = getCookie('selected_menu');
  	document.getElementById(id).style.display = 'block';
		setCookie('selected_menu','');
	}
	catch(e){

	}
}
function ChangeClass(menu,newClass){ 
	 if (document.getElementById) { 
		 	document.getElementById(menu).className = newClass;
	 } 
}