d = document;

function hide() {
	var divArray = new Array();
	divArray = d.getElementsByTagName('div');
	for (var i = 0; i < divArray.length; i++) {
		if (divArray[i].className == 'contactInfo') { divArray[i].style.display = 'none'; }
	}
}

function showInfo(obj) {
	hide();
	var div = d.getElementById(obj).parentNode;
	div.style.display = 'block';
}