function opentip(url) {
	window.open(url, "_blank","scrollbars=yes,resizable=yes,width=270,height=300")
}
function hideLayer(d) {
		if(d.length < 1) { return; }
		document.getElementById(d).style.display = "none";
}
function showLayer(d) {
	if(d.length < 1) { return; }
	document.getElementById(d).style.display = "block";
}