// JavaScript Document
function changeCell(id){
	if(document.getElementById(id).className=="cell_off")
		document.getElementById(id).className="cell_on";
	else
		document.getElementById(id).className="cell_off";
}

function go(url){
	this.location.href = url;
}

function hideAll(){
	document.getElementById('residential').style.visibility="hidden";
	document.getElementById('commercial').style.visibility="hidden";
	document.getElementById('land').style.visibility="hidden";
	document.getElementById('lettings').style.visibility="hidden";
	document.getElementById('overseas').style.visibility="hidden";
}

function show(id){
	document.getElementById('residential').style.visibility="hidden";
	document.getElementById('commercial').style.visibility="hidden";
	document.getElementById('land').style.visibility="hidden";
	document.getElementById('lettings').style.visibility="hidden";
	document.getElementById('overseas').style.visibility="hidden";
	document.getElementById(id).style.visibility="visible";		
}