function hideshow(which){
if (!document.getElementById)
return
if (which.style.display=="inline")
which.style.display="none"
else
which.style.display="inline"
set_cookie("State", 0);
return false; 
} 

function set_cookie(name,value) { 
var curr=new Date(); 
var exp_y = curr.getFullYear();
var exp_m = curr.getMonth()+2;
var exp_d = curr.getDate();
var cookie_string = name + "=" + escape(value);
var expires = new Date(exp_y, exp_m, exp_d);
cookie_string += "; expires=" + expires.toGMTString();
cookie_string += "; path=" + escape("/");
document.cookie = cookie_string;
} 

function get_cookie(cookie_name) {
var result = document.cookie.match ('(^|;) ?' + cookie_name + '=([^;]*)(;|$)');
if (result) return (unescape(result[2]));
else return null;
}

$(document).ready(function(){
if (!get_cookie("State")) {
hideshow(document.getElementById('info_xt'));
}

});