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 null
		}

		function setCookie(name,value,expiredays)
		{
			var exdate=new Date();
			exdate.setTime(exdate.getTime()+(expiredays*24*3600*1000));
			 if (expiredays==-1)
			 	document.cookie=name+"="+escape(value) + "; expires=Fri, 3 Aug 2010 20:47:11 UTC";
			else
			 	document.cookie=name+"="+escape(value) +((expiredays==null) ? "" : "; expires="+exdate);
			
		}
	
	function checkCookie() {
		username=getCookie('amI18')
		if (username!=null){
			return true;
		}
		else
		{
			visa_dolj('eightteen','visible');
		}
	}
		
	function visa_dolj(namn,varde)
	{
		if (document.all)
			{
				document.all[namn].style.visibility=varde;
				if (varde=="hidden")
				{
					document.all["snuscontainer"].style.visibility="visible";       //Explorer 4,5 har denna hierarki
					setCookie("amI18",1,1);
				}
				else
					document.all["snuscontainer"].style.visibility="hidden";       //Explorer 4,5 har denna hierarki
			}
		else if (document.layers)
			{
				document.layers[namn].visibility=varde;
				if (varde=="hidden")
				{
					document.layers["snuscontainer"].visibility="visible";         //Netscape 4 har denna hierarki
					setCookie("amI18",1,1);
				}
				else
					document.layers["snuscontainer"].visibility="hidden";         //Netscape 4 har denna hierarki
			}
		else if (document.getElementById)
			{
				document.getElementById(namn).style.visibility=varde;
				if (varde=="hidden")
				{
					document.getElementById("snuscontainer").style.visibility="visible";  //Netscape 6 har denna hierarki
					setCookie("amI18",1,1);
				}
				else
					document.getElementById("snuscontainer").style.visibility="hidden";  //Netscape 6 har denna hierarki
			}
		}