/*** Switch out banner elements based on hovered menu element ***/

function switcher()
{
	var secondary_navigation = document.getElementById("secondary_navigation");
	var banner = document.getElementById("banner");
	
	var body_tag = document.getElementsByTagName("body");
	var body_id = body_tag[0].id;
	var home_id = body_id.substring(2) + '_banner';
	var home_banner = document.getElementById(home_id);
	
	var nav_items = secondary_navigation.getElementsByTagName("li");
	var i = 0;
	
	while(i < nav_items.length)
	{
		nav_items[i].onmouseover = function() 
		{
			home_banner.style.display = 'none';
			var id_name = this.className + "_banner";
			document.getElementById(id_name).style.position = 'relative';
			document.getElementById(id_name).style.left = '0';
			document.getElementById(id_name).style.display = 'block';
		}
		
		nav_items[i].onmouseout = function() 
		{
			var id_name = this.className + "_banner";
			document.getElementById(id_name).style.display = 'none';
			home_banner.style.display = 'block';
		}
		
		i++;
	}
}

window.onload = function()
{switcher();}