function getCookie(name)
{
	var cname = name + "=";
	var dc = document.cookie;  

	if (dc.length>0){
		begin = dc.indexOf(cname);
		
		if (begin != -1){
			begin += cname.length;
			end = dc.indexOf(";",begin);
			
			if (end == -1)
				end = dc.length;
		
			return(dc.substring(begin,end));
		}
	}
}

function setCookie(name, value, expires, path, domain, secure)
{
   document.cookie = name + "=" + escape(value) + ((expires==null)? "" : ";expires=" + expires.toGMTString()) + ((path==null) ? "" : ";path=" + path) + ((domain==null)? "" : ";domain=" + domain) + ((secure==null) ? "" : ";secure");
}

function delCookie(name, path, domain)
{
   if (getCookie(name)){
	  document.cookie = name + "=" + ((path==null) ? "" : ";path=" + path) + ((domain==null) ? "" : ";domain=" + domain) + ";expires=Thu,01-Jan-70 00:00:01 GMT";
   }
}