var fDesc=new Array();
fDesc[0] = "To prevent cheating by restricting your students' computer activities while they are working on a quiz or test, you can require them to install the free WebAssign LockDown Browser before they can open the assignment. With LockDown Browser installed, your students cannot use instant messaging, search the Internet, print, copy text, or use other applications on their computer while they have the assignment open.";

function tShowHide(id, show)
{
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	{
		s.innerHTML = fDesc[id];
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}