function swap()
{
	if(document.getElementById)
	{
		var thePicture=document.getElementById("Employee");
		var picPath="images/staff/photo"+rnd(16)+".jpg";
		thePicture.style.background="url("+picPath+") no-repeat";
	}
}
function rnd(n)
{
	return Math.floor(Math.random() * n) + 1;
}