//Javascript
function hideall() {
for (var i = 1; i<=20; i++) {
	if (document.getElementById('submenu'+i)) {document.getElementById('submenu'+i).style.display='none';}
	}
}

function showsub(id) {
var obj = document.getElementById(id);
visible = (obj.style.display!='none');
if (visible){
	obj.style.display='none';
	}
else {
	obj.style.display='block';
	}
}

function decisionToggle()

{
	var decision = document.getElementById("select_action").value;
	if (decision == "link")
	{
		document.getElementById("information").style.display = '';
		document.getElementById("link").style.display = '';
		document.getElementById("link_to").style.display = 'none';
		document.getElementById("copy").style.display = 'none';
		document.getElementById("course_level").style.display = 'none';
	}
	else if (decision == "copy")
	{
		document.getElementById("information").style.display = '';
		document.getElementById("copy").style.display = '';
		document.getElementById("link").style.display = 'none';
		document.getElementById("link_to").style.display = '';
		document.getElementById("course_level").style.display = 'none';
	}
	else if (decision == "error")
	{
		document.getElementById("information").style.display = 'none';
		document.getElementById("copy").style.display = 'none';
		document.getElementById("link").style.display = 'none';
		document.getElementById("link_to").style.display = '';
		document.getElementById("course_level").style.display = 'none';
	}
	else
	{
		document.getElementById("information").style.display = 'none';
		document.getElementById("link").style.display = 'none';
		document.getElementById("copy").style.display = 'none';
		document.getElementById("course_level").style.display = 'none';
		document.getElementById("link_to").style.display = 'none';
	}
}



function courseToggle()

{

	var course = document.getElementById("owl_course").value;

	if (course == "yes")

	{

		document.getElementById("course_level").style.display = '';

	}

	else

	{

		document.getElementById("course_level").style.display = 'none';

	}

}



function linkToggle()

{

	var restrictlink = document.getElementById("restricted").value;

	if (restrictlink == "yes" || restrictlink == "")

	{

		document.getElementById("user_link").style.display = 'none';

	}

	else

	{

		document.getElementById("user_link").style.display = '';

	}

}