function backToHome(courseName)
{
   document.location.href = "/"+courseName+"/";
}

function checkEnter(e)
{
	var characterCode
	
	if(e && e.which)
	{
		e = e
		characterCode = e.which //character code is contained in NN4's which property
	}
	else
	{
		e = event
		characterCode = e.keyCode //character code is contained in IE's keyCode property
	}
	
	if(characterCode == 13)
	{	
		submitSearch(); //submit the form
		return false
	}
	else
	{
		return true
	}
}

function submitSearch()
{
   searchTerm = document.getElementById("searchBox").value
   if(searchTerm)  document.location.href = "/search.php?q=" + searchTerm;
}