function servicesShowHide(id)
{
	document.getElementById('one').style.display="none";
	document.getElementById('two').style.display="none";
	document.getElementById('three').style.display="none";
	document.getElementById('four').style.display="none";
	document.getElementById('five').style.display="none";
	
	document.getElementById(id).style.display="block";
}

function changeColor(id)
{	
	var tag=getElementByTagName(id);
	tag.style.color="white";
}