var BASE_PAGE = "index";
var W3CDOM = (document.createElement && document.getElementsByTagName);

window.onload = init;

function init() {	
	if (!W3CDOM)
		return;
	
	rotateBanner();
	highlightSection();
}	
	
function rotateBanner() {
	var header = document.getElementById("header");
	
	if (header) {
		var random = Math.floor(Math.random() * 6);
		
		header.style.background = "url(images/ma_banner-" + random + ".jpg) top left no-repeat";
	}
}

function rotateBrokerBanner() {
	var header = document.getElementById("header");
	
	if (header) {
		var random = Math.floor(Math.random() * 3);
		
		header.style.background = "url(images/ma_innerbanner-" + random + ".jpg) top left no-repeat";
	}
}

function highlightSection () {
	var path = window.location.pathname;	
	var page = path.substring(path.lastIndexOf('/') + 1);
	var name = page.substring(0, page.lastIndexOf('.'));
	
	if (name.length == 0) {
		name = BASE_PAGE;	
	}
	
	var link = document.getElementById(name + "-ln");
	
	if (link) {
		link.className = "active";
	}
}