function initNav()
{
	addRollOver("nav"); // Element IDs
}
function addRollOver(id)
{
	if (document.all&&document.getElementsByTagName) // Internet Explorer-only functions
	{
		rollLI = document.all[id].getElementsByTagName("li"); // get an array of LI items
		for (i=0; i<rollLI.length; i++)
		{
			node = rollLI[i];
			// Add appropriate class name extensions
			node.onmouseover=function()
			{
				this.className+="O";
			}
			node.onmouseout=function()
			{
				this.className=this.className.replace("O","");
			}
			node.onfocus=function()
			{
				this.className+="O";
			}
			node.onblur=function()
			{
				this.className=this.className.replace("O","");
			}
		}
	}
}