function prepTabs() {
	
	if (!document.getElementById) return false;
	if (!document.getElementsByTagName) return false;

	if (!document.getElementById("tabs_selection")) return false;
	if (!document.getElementById("tabs_list_tour")) return false;
	if (!document.getElementById("tabs_list_upcoming_tours")) return false;
	if (!document.getElementById("tabs_list_releases")) return false;

	document.getElementById("tabs_list_upcoming_tours").style.display = "none";
	document.getElementById("tabs_list_releases").style.display = "none";

	var tabs = document.getElementById("tabs_selection");
	var links = tabs.getElementsByTagName("a");
	
	for (var i=0; i < links.length; i++) {
		links[i].onclick = function() {
			return showTab(this);
		}
		links[i].onkeypress = links[i].onclick;
	}

}

function showTab(tab) {

	var tab_id = tab.getAttribute("title");
	
	switch (tab_id) {
		case 'Bands on Tour':
			document.getElementById("tabs_selection").style.backgroundImage = "url('images/tab_1.gif')";
			document.getElementById("tabs_list_tour").style.display = "block";
			document.getElementById("tabs_list_upcoming_tours").style.display = "none";
			document.getElementById("tabs_list_releases").style.display = "none";
			break
		case 'Tours Coming Soon':
			document.getElementById("tabs_selection").style.backgroundImage = "url('images/tab_2.gif')";
			document.getElementById("tabs_list_tour").style.display = "none";
			document.getElementById("tabs_list_upcoming_tours").style.display = "block";
			document.getElementById("tabs_list_releases").style.display = "none";
			break
		case 'Upcoming Releases':
			document.getElementById("tabs_selection").style.backgroundImage = "url('images/tab_3.gif')";
			document.getElementById("tabs_list_tour").style.display = "none";
			document.getElementById("tabs_list_upcoming_tours").style.display = "none";
			document.getElementById("tabs_list_releases").style.display = "block";
			break
		default:
			document.getElementById("tabs_selection").style.backgroundImage = "url('images/tab_1.gif')";
			document.getElementById("tabs_list_tour").style.display = "none";
			document.getElementById("tabs_list_upcoming_tours").style.display = "none";
			document.getElementById("tabs_list_releases").style.display = "none";
			break
        }

		return false;
}

function addLoadEvent(func) {
	
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
	
}

addLoadEvent(prepTabs);