var myEffect;
var selected_but = 'home';
var set_but = selected_but;

function initNav(butid) {
	$('homeback').set('opacity', '0');
	$('aboutback').set('opacity', '0');
	$('solutionsback').set('opacity', '0');
	$('commerceback').set('opacity', '0');
	$('clientsback').set('opacity', '0');
	$('contactback').set('opacity', '0');
	myEffect = new Fx.Tween($('myElement'), {duration: 300, transition: Fx.Transitions.Sine.easeOut});
	
	if (butid == undefined) {
		butid = 'home';
	}
	
	set_but = butid;
	$('myElement').style.backgroundColor = get_back_color(butid);
	$(butid+'back').set('opacity', '1');
	
}

var revertTimer;

function change_back(butid) {
	
	window.clearTimeout(revertTimer);
	
	var color = get_back_color(butid);
	
	myEffect.start('background-color', color);
	
	if (selected_but !=butid) {
		$(butid+'back').set('tween', {duration: 300, transition: Fx.Transitions.Sine.easeOut});
		//$(butid+'back').style.backgroundColor = color;
		$(butid+'back').tween('opacity', '1');
		$(selected_but+'back').set('tween', {duration: 300, transition: Fx.Transitions.Sine.easeOut});
		$(selected_but+'back').tween('opacity', '0');
		selected_but=butid;
	}
}

function revert_back() {
	revertTimer = window.setTimeout("change_back('"+set_but+"')", 500);
}

function get_back_color(butid) {
	if (butid == 'home') { return '#313131'; }
	if (butid == 'about') { return '#7e177e'; }
	if (butid == 'solutions') { return '#16497d'; }
	if (butid == 'commerce') { return '#961111'; }
	if (butid == 'clients') { return '#248517'; }
	if (butid == 'contact') { return '#DF5900'; }
	return ""
}

function call_sIFR() {
	sIFR.replaceElement("h1", named({sFlashSrc: "img/newfontbold.swf", sColor: "#000", sFlashVars: "textalign=right", selectable: false}));
}