function showHide(whichOne) {
	document.getElementById('service1').style.display="none";
	document.getElementById('service2').style.display="none";
	document.getElementById('service3').style.display="none";
	document.getElementById('service4').style.display="none";
	document.getElementById('service5').style.display="none";
	document.getElementById('service6').style.display="none";
	document.getElementById('service7').style.display="none";
	document.getElementById('service8').style.display="none";
	document.getElementById('service9').style.display="none";
	document.getElementById('service'+whichOne).style.display="block";
}