function show(divid){
	if (document.getElementById(divid).style.display!='block')
		{ document.getElementById(divid).style.display='block'; }
	else document.getElementById(divid).style.display='none';
	document.cookie='lastmenu='+divid+';';
};

function readCookie(name) {
	var cookies=document.cookie;
	var start = cookies.indexOf(name + "=");
	if (start != -1){ 
	
		start = cookies.indexOf("=", start) + 1;
		var end = cookies.indexOf(";", start);
		if (end == -1) end = cookies.length;		
		
		var value = unescape(cookies.substring(start, end));
		if (value != null) {return value;} else return 'none';	
	} else {return 'none'}
}


function open_last_menu(){
	var cook=readCookie('lastmenu');	
	if  ((cook!='none')&&(cook.length>2)) show(cook);
}

function del_last_menu(){
	document.cookie='lastmenu=;';
}

function to_go($arg){
	document.location=$arg;
}

function setctopointer(){
	document.body.style.cursor='pointer';
}

function setctonormal(){
	document.body.style.cursor='default';
}