function showDiv(divId)
{
	if(document.getElementById(divId))
		document.getElementById(divId).style.display = "block";
}
function hideDivs(divId)
{
	var navItems = document.getElementById("images").getElementsByTagName("a");
	
	for (var i=0; i<navItems.length; i++)
	{

		if(navItems[i].id != divId)
		{
			navItems[i].style.display = "none";
		}
	}

}