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POjson with hide and else if
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  1. POjson with hide and else if
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    copied!<p>I am building a registration form. #onimg och #offimg are two divs with img. If you fill in an available user name the #offimg will show, and if you choose an allready taken username the #onimg vill show. </p> <p>If you do not write anything at all in the registration field (like if you do delete the text) I want the images to hide. But they dont=(.</p> <p>here is the HTML</p> <pre><code>&lt;ul&gt; &lt;li&gt;Username:&lt;/li&gt; &lt;li&gt;Password:&lt;/li&gt; &lt;/ul&gt; &lt;ul&gt; &lt;li&gt;&lt;input type="text" id="user" name="user" value="" /&gt;&lt;/li&gt; &lt;li&gt;&lt;input type="text" id="pass" name="pass" value="" /&gt;&lt;/li&gt; &lt;li&gt;&lt;input type="checkbox" name="show" value="password"&gt;Show password&lt;/li&gt; &lt;/ul&gt; &lt;div id="onimg"&gt;&lt;/div&gt; &lt;div id="offimg"&gt;&lt;/div&gt; &lt;/fieldset&gt; &lt;button type="button" id="reg" value="" &gt;Register&lt;/button&gt; </code></pre> <p>some css</p> <pre><code>#onimg { z-index:1000; position:absolute; left:300px; top:23px; background-image:url('notavailable.png'); width:20px; height:20px; } #offimg { z-index:1000; position:absolute; left:300px; top:23px; background-image:url('available.png'); width:20px; height:20px; } </code></pre> <p>and here is the jquery</p> <pre><code>$('#user').focusout(function(){ var users = $('#user').val(); $.getJSON( "available.php" , //The URL to perform the lookup {name: users }, //The data you send function (result){ //The function to fire upon return if (!result) { //result is JSON formatted $('#onimg').fadeIn('fast'); } else { $('#offimg').fadeIn('fast'); } }); }); $(function() { $('#user').blur(function() { if($(this).val() == '') { $("#onimge").hide(); $("#onimge").hide(); } }); }); </code></pre>
 

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