function AjaxCallWelcome() {

$('BackToWelcome').addEvent('click', function() {
	
	if(currentDisplay == 'nav1') {
		$('ContentContainerWelcome').setStyle('opacity', '0');
		$('ContentContainer510').effect('opacity', {duration: 200, transition: Fx.Transitions.linear}).start(1,0).chain(function(){
			$('ContentContainer510').setStyle('display', 'none');
			$('ContentContainer510').setStyle('opacity', '0');
			$('ContentContainerWelcome').setStyle('display', 'block');
			$('ContentContainerWelcome').effect('opacity', {duration: 200, transition: Fx.Transitions.linear}).start(0,1);
		});

		currentDisplay = 'welcome';
		Nav1ContentDisappearOpacity = 0;
		appearTabs();
	} else if(currentDisplay == 'nav2') {
		$('ContentContainerWelcome').setStyle('opacity', '0');
		$('ContentContainer530').effect('opacity', {duration: 200, transition: Fx.Transitions.linear}).start(1,0).chain(function(){
			$('ContentContainer530').setStyle('display', 'none');
			$('ContentContainer530').setStyle('opacity', '0');
			$('ContentContainerWelcome').setStyle('display', 'block');
			$('ContentContainerWelcome').effect('opacity', {duration: 200, transition: Fx.Transitions.linear}).start(0,1);
		});

		currentDisplay = 'welcome';
		Nav1ContentDisappearOpacity = 0;
		appearTabs();
	}

});

}

window.addEvent('domready', AjaxCallWelcome );