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copied!<p>Simply do something like this: (nothing to do with CSS)</p> <pre><code><?php // login.php if(strtolower($_GET['v']) == 'signup'){ ?> <form>/* sign up form goes here */</form> <?php }else{ ?> <form>/* login form goes here */</form> <?php } ?> </code></pre> <p>Or you could have used the switch/select if you have too many pages in one php file:</p> <pre><code><?php // login.php switch(strtolower($_GET['v'])){ case 'signup': ?> <form>/* sign up form goes here */</form> <?php break; default: ?> <form>/* login form goes here */</form> <?php break; } ?> </code></pre> <p>Cheerio!</p> <p><strong>UPDATE</strong>: with regards to ability to use AJAX, you can do something like this:</p> <pre><code><?php // login.php $_showcontent = false; if(isset($_GET['c'])){$_showcontent = true;} if(!$_showcontent){ // load the header, javascript components and whatever so on echo '<div id="view">'; } switch(strtolower($_GET['v'])){ case 'signupstep1': ?> <a href="#view" onclick="return go_step2();">Step 2</a> <?php break; case 'signupstep2': ?> <form>/* sign up form goes here */</form> <?php break; case 'signupcomplete': ?> /* sign up complete page */ <?php break; default: ?> <a href="#view" onclick="return go_signup();"></a> <?php break; } if(!$_showcontent){ echo '</div>'; // footer and what other stuff you need here } ?> </code></pre> <p>The Javascript code:</p> <pre><code><script type="text/javascript"> /* <![CDATA[ */ function go_signup(){ $("#view").load("<?php echo $_SERVER['PHP_SELF'] ?>?c&v=signupstep1"); return false; } function go_step2(){ $("#view").load("<?php echo $_SERVER['PHP_SELF'] ?>?c&v=signupstep2"); return false; } /* ]]> */</script> </code></pre>

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