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I have a custom item that I would like participants to stay on for a minimum of 25 secs. As such, I would like the "continue" button not to show up unitl after 25 secs have elapsed. To this end, I put (d-25) in the parameters box of the item. But it's not working. What's going on? Any thoughts?
Thanks!
Rather than timing the custom item via MediaLab, try adding this javascript to your custom item so that the continue/submit button will be disabled for whatever amount of time you like. In this sample script the button in the HTML form will be disabled for the first 10 seconds.
[CODE]<script language="javaScript">
<!--
continue_at = "10000";
function continue_timer() { self.setTimeout("continue_enable();",continue_at); }
function continue_enable()
{
var submitObj = document.getElementById('continue_button');
submitObj.disabled = false;
}
//-->
</script>
<body onLoad="continue_timer();">
<form method="post">
<p>Your Answer: <input type="text" name="var" size="20"></p>
<p><input name="continue_button" type="submit" value="Continue" disabled></p>
</form>
</body>
[/CODE]
Thanks! Where should this go in the html? At the beginning? At the end? DOes it matter?
I've attached a revised version of your custom item with the script added in. Let me know if it works ok!
[QUOTE]
Yes - I ended up figuring out how to write it myself, but I plugged yours in and it worked, too. Thanks again!
[/QUOTE]