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Jan 4th, 2018
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  1. <!DOCTYPE html>
  2. <html>
  3.     <head>
  4.         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  5.         <title>Learning PHP - Login</title>
  6.     </head>
  7.     <body bgcolor="#303030">
  8.         <script type="text/javascript">
  9.             function blackLabels(){
  10.                   document.getElementById('lUser').innerHTML = "<B>Username: </B>";
  11.                   document.getElementById('lPass').innerHTML = "<B>Password: </B>";
  12.             }
  13.             function redLabel(){
  14.                 document.getElementById('lStatus').innerHTML = "<B><FONT color='red'>Must enter both a username an password.</FONT></B>"
  15.             }
  16.     function loginCheck(user, pass)
  17.     {
  18. if(user != '' && pass != '')
  19. {
  20.  if(user == 'Vysse' && pass == 'test')
  21.   {
  22.        document.getElementById('lStatus').innerHTML = "<B><FONT color='green'>Welcome Vysse!!!</FONT></B>"
  23.          }
  24.          else
  25.      {
  26.        document.getElementById('lStatus').innerHTML = "<B><FONT color='red'>Invalid username or password.</FONT></B>"
  27.        blackLabels()
  28.      }
  29. }
  30. else if(user != '' && pass == '')
  31.     {
  32.         document.getElementById('lPass').innerHTML = "<B><FONT color = 'red'>Password: </FONT></B>";
  33.         document.getElementById('lUser').innerHTML = "<B>Username: </B>";
  34.         redLabel();
  35.     }
  36.     else if(user == '' && pass != '')
  37.         {
  38.         document.getElementById('lPass').innerHTML = "<B>Password: </B>";
  39.         document.getElementById('lUser').innerHTML = "<B><FONT color = 'red'>Username: </FONT></B>";
  40.         redLabel();
  41.         }
  42.         else if(user =='' && pass =='')
  43.             {
  44.                  document.getElementById('lPass').innerHTML = "<B><FONT color = 'red'>Password: </FONT></B>";
  45.                  document.getElementById('lUser').innerHTML = "<B><FONT color = 'red'>Username: </FONT></B>";
  46.                  redLabel();
  47.             }
  48.             else
  49.                 {
  50.                  blackLabels();
  51.                 }
  52.     }
  53.     </script>
  54.     <center>
  55.         <form name="f1">
  56.         <label id="lStatus"></label>
  57.         <br>
  58.         <br>
  59.         <label id="lUser" for="tUser"><B>Username: </B></label><input type="text" name="tUser">
  60.         <br>
  61.         <br>
  62.         <label id="lPass" for="tPass"><B>Password: </B></label><input type="password" name="tPass">
  63.         <br>
  64.         <br>
  65.         <input type="button" value="Login!" name="bLogin" onClick="loginCheck(f1.tUser.value, f1.tPass.value)">
  66.         </form>
  67.         </center>
  68.     </body>
  69. </html>
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