function setCookie( cookieName, cookieValue, expireDate )
{
 var today = new Date();
 today.setDate( today.getDate() + parseInt( expireDate ) );
 document.cookie = cookieName + "=" + escape( cookieValue ) + "; path=/; expires=" + today.toGMTString() + ";"
}
function visible_chat(){
document.getElementById('chat').style.display='block';
document.getElementById('hide-chat').style.display='block';
document.getElementById('visible-chat').style.display='none';
setCookie("viewchat","off","86400");
}
function visible_chat2(){
document.getElementById('cookie-chat').style.display='block';
document.getElementById('cookie-hide-chat').style.display='block';
document.getElementById('cookie-visible-chat').style.display='none';
setCookie("viewchat","off","86400");
}
function hide_chat(){
document.getElementById('chat').style.display='none';
document.getElementById('hide-chat').style.display='none';
document.getElementById('visible-chat').style.display='block';
setCookie("viewchat","on","86400");
}
function hide_chat2(){
document.getElementById('cookie-chat').style.display='none';
document.getElementById('cookie-hide-chat').style.display='none';
document.getElementById('cookie-visible-chat').style.display='block';
setCookie("viewchat","on","86400");
}