var logi="login";
     var logo="logout";
		 
    onload=function(){
      logstatus=sessvars.username;
    };
    
    function getLogstat(){
			if (sessvars.username==logi) {
				return(true);	
			}
			else {
				return(false);
			}
    };
		
    function setLogout(){
      sessvars.username=logo;
    };
		
    function setLogin(){
      sessvars.username=logi;
		};
  
		function setLoginstat() {
			if (getLogstat()) {
				document.write("<a href='good_bye.shtml' onMouseDown='setLogout();return false'>Logout</a>")
			}
			else {
				document.write("<a href='loading.shtml' >Login</a>")
			}
		}

		function setLoginname() {
			if (getLogstat()) {
				document.write("<a href='#'>Michael Zogg</a>")
			}
		}