View source for Hide Next button in n seconds

== Challenge  ==

In order to not allow respondent click on the Next button in a period of time

As a questionnaire creator

I want to hide the Next button in some seconds&nbsp;

== Example ==
[[Image:HideNextButton1.jpg]]
<br>
[[Image:HideNextButton2.jpg]]

== Solution  ==

*In questionnaire template editor, choose the question I want to hide the Next button and then go to the Properties - Edit question properties - Language dependent - Select javascript property
*Override quest.onInit function. 
*In that function, check if the Next button exists. 
*If it doesn't exist, do nothing, else disable the Next button, set the time out to number of seconds I want to hide the button, then show the button again.

[[Image:HideNextButton Code.jpg]]
== Code  ==
<source lang="javascript">
quest.onInit = function()
{
	var secsTimeout = 10;
	if ( !document.getElementsByName('next') || document.getElementsByName('next').length == 0 ) 
		// next button not available
		return;
	document.getElementsByName('next')[0].style.display='none';
	setTimeout("document.getElementsByName('next')[0].style.display='';", secsTimeout*1000);
} 
</source>

== Source ==
Questionnaire Resource Id on cg site: 159730