function tabSwitch(tab) {
	if(tab == 'tab1') {
		document.getElementById('additional_services_header').style.background = 'transparent url(/site-images/tab_bg_sandbox01.gif) top left no-repeat';
		document.getElementById('more_about_box_3').style.display = 'none';
		document.getElementById('more_about_box_3').style.visibility = 'hidden';
		document.getElementById('more_about_box_2').style.display = 'none';
		document.getElementById('more_about_box_2').style.visibility = 'hidden';
		document.getElementById('more_about_box_1').style.visibility = 'visible';
		document.getElementById('more_about_box_1').style.display = 'inline';
	}
	if(tab == 'tab2') {
		document.getElementById('additional_services_header').style.background = 'transparent url(/site-images/tab_bg_sandbox02.gif) top left no-repeat';
		document.getElementById('more_about_box_3').style.display = 'none';
		document.getElementById('more_about_box_3').style.visibility = 'hidden';
		document.getElementById('more_about_box_1').style.display = 'none';
		document.getElementById('more_about_box_1').style.visibility = 'hidden';
		document.getElementById('more_about_box_2').style.visibility = 'visible';
		document.getElementById('more_about_box_2').style.display = 'inline';
	}
	if(tab == 'tab3') {
		document.getElementById('additional_services_header').style.background = 'transparent url(/site-images/tab_bg_sandbox03.gif) top left no-repeat';
		document.getElementById('more_about_box_2').style.display = 'none';
		document.getElementById('more_about_box_2').style.visibility = 'hidden';
		document.getElementById('more_about_box_1').style.display = 'none';
		document.getElementById('more_about_box_1').style.visibility = 'hidden';
		document.getElementById('more_about_box_3').style.visibility = 'visible';
		document.getElementById('more_about_box_3').style.display = 'inline';
	}
	return false;
}