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POinline javascript form validation
 

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    <p>I'm working on a form validation script at work and am having some difficulty. The form is meant to make sure that the user fills out a name, a real-looking email, a category (fromt he drop down) and a question:</p> <p>This names the form and gathers all the data up from the form:</p> <pre><code>&lt;script&gt; function checkForm(form1) { name = document.getElementById("FieldData0").value; category = document.getElementById("FieldData3").value; question = document.getElementById("FieldData1").value; email = document.getElementById("FieldData2").value; </code></pre> <p>This checks to see that something is in the "name" field. It works fine and validates exactly like it should, displaying the error text:</p> <pre><code> if (name == "") { hideAllErrors(); document.getElementById("nameError").style.display = "inline"; document.getElementById("FieldData0").select(); document.getElementById("FieldData0").focus(); return false; </code></pre> <p>This also works just like it should. It checks to see if the email field is empty and if it is empty,displays error text and selects that field:</p> <pre><code> } else if (email == "") { hideAllErrors(); document.getElementById("emailError").style.display = "inline"; document.getElementById("FieldData2").select(); document.getElementById("FieldData2").focus(); return false; } </code></pre> <p>This also works just like it should, makes sure that the questions field isn't empty:</p> <pre><code>else if (question == "") { hideAllErrors(); document.getElementById("questionError").style.display = "inline"; document.getElementById("FieldData1").select(); document.getElementById("FieldData1").focus(); return false; } </code></pre> <p>This one works partially - If no drop down is selected, it will display the error message, but that doesn't stop the form from submitting, it just displays the error text while the form submits:</p> <pre><code>else if (category == "") { hideAllErrors(); document.getElementById("categoryError").style.display = "inline"; document.getElementById("FieldData3").select(); document.getElementById("FieldData3").focus(); return false; } </code></pre> <p>This one doesn't work at all no matter where I put it. I used a variation on the same script last week and it worked fine. This is supposed to check to see that the email entered looks like a real email address:</p> <pre><code>else if (!check_email(document.getElementById("FieldData1").value)) { hideAllErrors(); document.getElementById("emailError2").style.display = "inline"; document.getElementById("FieldData2").select(); document.getElementById("FieldData2").focus(); return false; } Otherwise it lets the form submit: return true; } </code></pre> <p>This checks the email out:</p> <pre><code>function check_email(e) { ok = "1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM"; for(i=0; i &lt; e.length ;i++){ if(ok.indexOf(e.charAt(i))&lt;0){ return (false); } } if (document.images) { re = /(@.*@)|(\.\.)|(^\.)|(^@)|(@$)|(\.$)|(@\.)/; re_two = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/; if (!e.match(re) &amp;&amp; e.match(re_two)) { return (-1); } } } </code></pre> <p>This function hides all errors so the user isn't bombarded with red text. I tried putting in "document.getElementById("emailError").style.display = "none"" but that breaks the whole thing:</p> <pre><code> function hideAllErrors() { document.getElementById("nameError").style.display = "none" document.getElementById("emailError").style.display = "none" document.getElementById("categoryError").style.display = "none" document.getElementById("questionError").style.display = "none" } &lt;/script&gt; </code></pre> <p>And the form looks like this:</p> <pre><code>&lt;form onSubmit="return checkForm();" method="post" action="http://www.emailmeform.com/fid.php?formid=303341io4u" name="form1"&gt; &lt;p&gt;&lt;div class=error id=nameError&gt;Required: Please enter your name&lt;br/&gt;&lt;/div&gt;&lt;p&gt;&lt;strong&gt;Name:&lt;/strong&gt; &lt;span&gt;&lt;/span&gt;&lt;br&gt;&lt;input type="text" name="FieldData0" id="FieldData0" value="" size="22" tabindex="1" /&gt; &lt;label for="name"&gt;&lt;/label&gt;&lt;/p&gt; &lt;p&gt;&lt;div class=error id=emailError&gt;Required: Please enter your email address&lt;br/&gt;&lt;/div&gt; &lt;div class=error id=nameError2&gt;This doesn't look like a real email address, please check and reenter&lt;br/&gt;&lt;/div&gt; &lt;strong&gt;&lt;p&gt;Email:&lt;/strong&gt; &lt;span&gt;(will not be published)&lt;/span&gt;&lt;br&gt;&lt;input type="text" name="FieldData2" id="FieldData2" value="" size="22" tabindex="2" /&gt; &lt;label for="email"&gt;&lt;/label&gt; &lt;/p&gt; &lt;div class=error id=categoryError&gt;Please select a category from the drop-down menu&lt;br&gt;&lt;/div&gt; &lt;p&gt;&lt;strong&gt;Category:&lt;/strong&gt; &lt;span&gt;&lt;/span&gt;&lt;br&gt; &lt;p&gt;&lt;select id="FieldData3" name="FieldData3"&gt; &lt;option value=""&gt;Please select a category&lt;/option&gt; &lt;option value="a"&gt;a&lt;/option&gt; &lt;option value="b"&gt;b&lt;/option&gt; &lt;option value="c"&gt;c&lt;/option&gt; &lt;option value="d"&gt;d&lt;/option&gt; &lt;option value="e"&gt;e&lt;/option&gt; &lt;option value="f"&gt;f&lt;/option&gt; &lt;option value="other"&gt;Other&lt;/option&gt; &lt;/select&gt;&lt;label for="category"&gt;&lt;/label&gt; &lt;p&gt;&lt;div class=error id=questionError&gt;Please type your question in the box below:&lt;br&gt;&lt;/div&gt;&lt;label for="question"&gt;&lt;strong&gt;&lt;p&gt;Your Question:&lt;/strong&gt; &lt;span&gt;&lt;/span&gt;&lt;/label&gt;&lt;br&gt; &lt;textarea name="FieldData1" id="FieldData1" cols="50" rows="10"&gt;&lt;/textarea&gt;&lt;/p&gt; &lt;p&gt;&lt;input type="submit" class="btn" value="Submit Question" name="Submit"&gt;&lt;/p&gt; &lt;/div&gt; &lt;/form&gt; </code></pre> <p>Is the problem the order that I run the checks? I can't seem to figure this out. Any help would be appreciated.</p>
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