/*
	* This function parses comma-separated name=value argument pairs from
	* the query string of the URL. It stores the name=value pairs in 
	* properties of an object and returns that object.
	* Thanks to Javascript: Definitive Guide
	*/
	function getArgs() {
		var args = new Object(  );
		var query = location.search.substring(1);     // Get query string
		var pairs = query.split(",");                 // Break at comma
		for(var i = 0; i < pairs.length; i++) {
			var pos = pairs[i].indexOf('=');          // Look for "name=value"
			if (pos == -1) continue;                  // If not found, skip
			var argname = pairs[i].substring(0,pos);  // Extract the name
			var value = pairs[i].substring(pos+1);    // Extract the value
			args[argname] = unescape(value);          // Store as a property
			// In JavaScript 1.5, use decodeURIComponent(  ) instead of unescape(  )
		}
		return args;                                  // Return the object
	}

	function put_msg() {
		var args = getArgs();                   // Get arguments

		// logout
		if (args.logout) 
			document.writeln("<p class=\"status\"> Successfully Logged Out. </p>");

        // Detect the new error messages
        if ( args.ep )
        {
            var pos = args.ep.indexOf('&');          // Look for "name=value"
            var argval = args.ep.substring(0,pos);  // Extract the name
            if ( pos == -1 )
                argval = args.ep
    
            // Timeout
            if ( argval == "timeout" )
			    document.writeln("<p class=\"error\"> Session Expired.</p>");

		    // failed login
		    else if ( argval == "flogin" ) 
			    document.writeln("<p class=\"error\"> Incorrect Username or Password.</p>");

		    // user not allowed to access submission opt
		    else if ( argval == "user_not_allowed_subopt_id" ) 
			    document.writeln("<p class=\"error\"> Web Access Unavailable.</p>");

		    // user not allowed to access submission opt
		    else if ( argval == "subopt_miss_configured" ) 
			    document.writeln("<p class=\"error\"> Web Access Unavailable.</p>");

		    // user not allowed to access submission opt
		    else if ( argval == "urlapierror" ) 
			    document.writeln("<p class=\"error\"> URL API error.</p>");

		    // max attempts reached
		    else if ( argval == "mats" ) 
			    document.writeln("<p class=\"error\"> Too Many Failed Login Attempts.</p>");

            // General server error 
		    else if ( argval == "srverror" ) 
			    document.writeln("<p class=\"error\"> Server not responding. Please try again. </p>");

            // Catch everyting else.
            else
			    document.writeln("<p class=\"error\"> There has been an error detected: " + argval + "<br>Please try again.</p>");
        }

		return;
	}

// Render message to the screen.
put_msg();