/*
-------------------------------------------------------------------
 Login Script Version 1.9
 By H G Laughland 
 http://www.laughland.biz

This script can be used free of charge and may only be
redistributed the same way. The disclaimer must remain
intact.

DISCLAIMER: Use this script with caution. This script is not 
the most secure method available, for protecting material. Its
main purpose is to demonstrate the javascript techniques used.
The author takes no responsibility for data loss
resulting from the use of this script.
-------------------------------------------------------------------

*/

//----------------------------------------------------------------
//  Usernames, Passwords & User Pages - These require configuration.
//----------------------------------------------------------------
var successpage = "vignettes.htm"; // The page users go to after login, if they have no personal page.
var loginpage = "index.htm"; //Change this to the page the login panel is on.

var imgSubmit = ""; //Change to the path to your login image,if you don't want the standard button, otherwise do not change.
var imgReset = "";  //Change to the path to your reset image,if you don't want the standard button, otherwise do not change.

var users = new Array();

// Change these two entries to valid logins.
// Add addtional logins, straight after these, as required, followig the same format. Increment the numbers in the square brackets, in new each one.
// Note: the 3rd parameter is the the page that user goes to after successful login. Ensure the paths are correct. Make this "" if user has no personal page.

users[0] = new Array("globalhr","clauswumba","vignettes.htm");


//----------------------------------------------------------------
//  Login Functions
//----------------------------------------------------------------
function login(username,password){
 var member = null;
 var loggedin = 0;
 var members = users.length;
 for(x=0;x<members && !loggedin; x++){
 if((username==users[x][0])&&(password==users[x][1])){
    loggedin = 1;
    member = x;
	break; // User validated, terminate the for loop.
   }
 } 
 
 if(loggedin==1){
  if(users[member][2] != "") {
   successpage = users[member][2];
  }
  setCookie("login",1);
  if (top.location.href != location.href){
   location.href = successpage;           
  }else{
   top.location.href = successpage;  
  }
 }else{
  alert('access denied');
 }  
}

function logout() {
 deleteCookie("login");
 if (top.location.href != location.href){
  location.href = loginpage;           
 }else{
  top.location.href = loginpage;  
 }
}

//----------------------------------------------------------------
// Cookie Handler
//----------------------------------------------------------------
var ckTemp = document.cookie;

function setCookie(name, value) { 
 if (value != null && value != "")
  document.cookie=name + "=" + escape(value) + ";";
 ckTemp = document.cookie;
 }
 
function deleteCookie(name) {
  if (getCookie(name)) {
    document.cookie = name + "=" +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}

function getCookie(name) { 
 var index = ckTemp.indexOf(name + "=");
 if(index == -1) return null;
  index = ckTemp.indexOf("=", index) + 1;
 var endstr = ckTemp.indexOf(";", index);
 if (endstr == -1) endstr = ckTemp.length;
 return unescape(ckTemp.substring(index, endstr));
 }
  
function checkCookie() {
 var temp = getCookie("login");
 if(!temp==1) {
  alert('access denied'); 
  if(top.location.href != location.href){
   location.href = loginpage;           
  }else{
   top.location.href = loginpage;  
  }
 }
}

//----------------------------------------------------------------
// Login Panel
//----------------------------------------------------------------

function BuildPanel() {
document.write('<form name="logon"><table align="left" border="0"><tr><td align="right">');
document.write('<small><span style="font-family:arial; font-size:11px;">Username:</span></small></td>');
document.write('<td><small><font face="Verdana"><input type="text" name="username" size="15"></font></small></td></tr>');
document.write('<tr><td align="right"><small><span style="font-family:arial; font-size:11px;">Password:</span></small></td>');
document.write('<td><small><font face="Verdana"><input type="password" name="password" size="15"></font></small></td></tr>');

if(imgSubmit == ""){
 document.write('<tr><td align="right" colspan="2"><input type="button" value="Login" name="Login" onclick="login(username.value,password.value)">'); 
} else {
 document.write('<tr><td align="right" colspan="2"><input type="image" src="'+imgSubmit+'" name="Login" onclick="login(username.value,password.value)">');
}

document.write('</td></tr></table></form>');
}