/*------------------------------------------------------------------- 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.-------------------------------------------------------------------INSTRUCTIONS - Read Before Using ScriptIf you are using frames, the code referred to in steps 2 - 5 must be put in the pages displayed in the frames and NOT in the parent document.Step 1In the Usernames & Passwords section, configure the variables asindicated by the comments. Step 2:Add the following code to the <head> section of your login page:  <script src="scripts/login.js"></script> Change "scripts/login.js" to reflect the correct path to this scriptfile on your server.  Step 3:Add this code to the login page, at the place you want the loginpanel to show:  <script language="JavaScript">  BuildPanel(); </script> Step 4:Add the following code to the <head> section of each page proctededby this script:  <script src="scripts/login.js"></script> <script language="JavaScript">  checkCookie(); </script>Change "scripts/login.js" to reflect the correct path to the scriptfile on your server. Step 5: On the page that is to have the logout button, paste this code where youwant the button to be: <form action="" name="frmLogoff">  <input type="button" name="btLogoff" value="log out" onclick="logout();"> </form>  To use your own image instead of the grey button change the type from button to image and add src="myimage.gif" where myimage.gif is the image (including the path to it if needed, you want to use. Step 6:Upload this script and your html pages to the relevant directorieson your server. *///----------------------------------------------------------------//  Usernames, Passwords & User Pages - These require configuration.//----------------------------------------------------------------var successpage = "member_area.html"; // The page users go to after login, if they have no personal page.var loginpage = "login.html"; //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 entries directly below to valid logins V.users[0] = new Array("johnson","kevin",""); 	//admin(me)users[1] = new Array("ojones","osiris123","");	//Otis Jonesusers[2] = new Array("tcage","africa123","");	//Tiffani Cage users[3] = new Array("djones","life123",""); 	//Damion Jonesusers[4] = new Array("vmoore","mission1","");	//Vivian Moore// 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.//----------------------------------------------------------------//  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="center" border="0"><tr><td align="right">');document.write('<small><font face="Verdana">Username:</font></small></td>');document.write('<td><small><font face="Verdana"><input type="text" name="username" size="20"></font></small></td></tr>');document.write('<tr><td align="right"><small><font face="Verdana">Password:</font></small></td>');document.write('<td><small><font face="Verdana"><input type="password" name="password" size="20"></font></small></td></tr>');if(imgSubmit == ""){// change "submit to "button" if any problems document.write('<tr><td align="center" colspan="2"><p><input type="button" value="Logon" name="Logon" onclick="login(username.value,password.value)">'); } else { document.write('<tr><td align="center" colspan="2"><p><input type="image" src="'+imgSubmit+'" name="Logon" onclick="login(username.value,password.value)">');}if(imgReset == ""){ document.write('<input type="reset" value="Reset" name="Reset">');} else { document.write('<input type="image" src="'+imgReset+'" name="Reset" onclick="logon.reset();">');}document.write('</p></td></tr></table></form>');}
