function RandomImage()
{

var ranNum = Math.floor(Math.random() * 2);
//alert(ranNum);

if(ranNum == 0)
	{
	document.getElementById('bannerImage').src = "images/cse19lft01.jpg";
	document.getElementById('bannerLink').href = "?OB=49&POB=8&ID=400";
	}
else if(ranNum == 1)
	{
	document.getElementById('bannerImage').src = "images/cse20lft01.jpg";
	document.getElementById('bannerLink').href = "?OB=49&POB=8&ID=417";
	}
else
	{
	document.getElementById('bannerImage').src = "images/cse19lft01.jpg";
	document.getElementById('bannerLink').href = "?OB=49&POB=8&ID=400k";
	}
}