function switchTab(tid, id) {
	var tabs = document.getElementById("portal_search_tabs").getElementsByTagName("a");
	for (var i=0; i<tabs.length; i++) {
		if (tabs[i].id != tid)
			tabs[i].className = '';
		else
			tabs[i].className = 'active_tab';
	}
	
	document.getElementById(id).style.display = "block";
	if (id == "property_search")
		document.getElementById("realtor_search").style.display = "none";
	else
		document.getElementById("property_search").style.display = "none";
}