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Thread: [RESOLVED] form email validation question

  1. #1
    Join Date
    Feb 2010
    Posts
    6

    resolved [RESOLVED] form email validation question

    this is my first post, so i'm not sure if something like this has been answered before, so sorry if this is a repost.

    what i'm trying to do is have a div become visible on an invalid form entry.

    here is the code that i have:


    Code:
    function validate(c_form,email) {
    	
    	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
    	var address = document.forms[c_form].elements[email].value;
    	if(reg.test(address) == false) {
    	  	function ShowPopup(hoveritem) {
    			
    			hp2 = document.getElementById("hoverpopup2");
    			if (hp2.style.display!= "block") {
    			
    			// Set popup to visible
    			hp2.style.display = "block";
    			}
    		}
    	  	return false;
    
                }
                return valid;
    }

    and here is the div:

    <div id="hoverpopup2"><div id="message"><?php echo $message ?></div></div>

    any ideas of why this isn't working?

  2. #2
    Join Date
    Apr 2003
    Location
    Netherlands
    Posts
    21,654
    Try it like this:
    Code:
    function validate(c_form,email) {
    	
        var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
        var address = document.forms[c_form].elements[email].value;
        var hp2 = document.getElementById("hoverpopup2");
        if(reg.test(address) == false) {
            hp2.style.display = "block";
            return false;
        }
        hp2.style.display = "none";
        return true;
    }
    At least 98% of internet users' DNA is identical to that of chimpanzees

  3. #3
    Join Date
    Feb 2010
    Posts
    6
    thanks, man; worked perfectly.

  4. #4
    Join Date
    Feb 2010
    Posts
    6
    another question - how would i get a div to display if the form was valid and sent?

  5. #5
    Join Date
    Apr 2003
    Location
    Netherlands
    Posts
    21,654
    By having the server program reload the document with a div displayed
    At least 98% of internet users' DNA is identical to that of chimpanzees

  6. #6
    Join Date
    Feb 2010
    Posts
    6
    so can you tell me if i'm doing this correctly at all. i'll show you some of the code, and if you need more, let me know.

    This is what i have inside the php for when the form goes through:

    PHP Code:
        unset($_POST);
            echo 
    "<script type=\"text/javascript\">\n";
            echo 
    "var hp5 = document.getElementById(\"hoverpopup3\");\n";
            echo 
    "hp5.style.display = \"block\"; }\n";
            echo 
    "</script>"
    it doesn't seem to be working, though, so any help would be nice.

    thanks.

  7. #7
    Join Date
    Apr 2003
    Location
    Netherlands
    Posts
    21,654
    Wait for the document to load
    PHP Code:
    echo <<<HDOC
    <script type="text/javascript">
    window.onload=function() {
    var hp5 = document.getElementById("hoverpopup3");
    hp5.style.display = "block";
    };
    </script>
    HDOC; 
    At least 98% of internet users' DNA is identical to that of chimpanzees

  8. #8
    Join Date
    Feb 2010
    Posts
    6
    it doesn't seem to be working, i get a parse error stating:

    Parse error: syntax error, unexpected $end in process-form.php on line 51.
    here is the php file that i'm using, maybe that will help.



    PHP Code:
    <?php
        
    function is_valid_email($e) {
            if(
    eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$"$e)) {
                return 
    true;
            }
            else {
                return 
    false;
            }
        }
        
    import_request_variables('pg');
        
    $message 'Please fix the following error(s): ';
        
    $valid true;
        if (!
    is_valid_email($email)) {
            
    $valid false;
            
    $message .= "enter a valid email address, ";
        }
        if ( empty(
    $full_name) ) {
            
    $valid false;
            
    $message .= 'name is required, ';
        }
        if ( 
    $valid ) {
            
    $fh fopen('new_guests.txt','a+');
            
            
    $comments2 str_replace("\r\n",'<br />',$comments);        
            
    $content  "$full_name\t";
            
    $content .= "$email\t";
            
    $content .= "$comments2\n";
            
    fwrite($fh,$content);
            
            
    $subject str_replace("\r\n",'',$subject);
            
    $email str_replace("\r\n",'',$email);
            
    $body "Name: $full_name\n";
            
    $body .= "$full_name says: $comments\n";
            
    $body .= "\n\nIP Address: " $_SERVER['REMOTE_ADDR'];
            
    mail("?@???","To my mans: $comments",$body,"From: $email\r\n");
                    
            
    // clear the post
            
    unset($_POST);
                    echo <<<HDOC
                    <script type="text/javascript">
                    window.onload=function() {
                    var hp5 = document.getElementById("hoverpopup3");
                    hp5.style.display = "block";
                    };
                    </script>
                    HDOC;
        }
        else {
            
    $message = substr($message, 0, -2) . '.';
        }
    ?>

  9. #9
    Join Date
    Apr 2003
    Location
    Netherlands
    Posts
    21,654
    The closing identifier must begin in the first column of the line.
    http://www.php.net/manual/en/languag...syntax.heredoc
    At least 98% of internet users' DNA is identical to that of chimpanzees

  10. #10
    Join Date
    Feb 2010
    Posts
    6
    you are awesome.

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