// JavaScript Document
function openVRTour(){
	leftVal = (screen.width - 780) / 2;
	topVal = (screen.height - 482) / 2;
	window.open('VRTour/index.htm', 'VRTOUR','width=779,height=481,resizable=no,scrollbars=no,status=no,menubar=no,location=no,left='+ leftVal +',top='+topVal).focus();
}