function closeIE6Message(){
	document.getElementById('ie6_overlay').style.visibility = 'hidden';
	document.getElementById('ie6_overlay_content').style.visibility = 'hidden';
}

function OnLoad(){
	if (navigator.userAgent && navigator.userAgent.indexOf('MSIE 6.0') != -1 
			&& navigator.userAgent.indexOf('MSIE 7.0') == -1 
			&& navigator.userAgent.indexOf('MSIE 8.0') == -1
			&& navigator.userAgent.indexOf('Trident/4.0') == -1){
		try {
			if (!getCookie('ie6_message')){
				document.getElementById('ie6_overlay').style.visibility = 'visible';
				document.getElementById('ie6_overlay_content').style.visibility = 'visible';
				document.getElementById('ie6_overlay').style.height = document.body.clientHeight;
				document.getElementById('ie6_overlay_content').innerHTML = document.getElementById('ie6_overlay_content').innerHTML + '<br />' + navigator.userAgent;
				setCookie('ie6_message', 1,30);
			}
		} catch (e){
			//alert(e.message);
		}
		var login = document.getElementById('login-box');
		if (!usermenu){
			login.style.display = 'block';
		} else {
			try {
				var usermenu = document.getElementById('usermenu');
				usermenu.style.display = 'block';
			} catch (e){
				// do nothing
			}
		}
	}
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}