function swapLN(leftnavid,onOrOff,level) {
	if (onOrOff == 'on') {
		if (level == 1) {
			document.getElementById(leftnavid).className = 'LN1_hover';
		}
	}
	else {
		if (level == 1) {
			document.getElementById(leftnavid).className = 'LN1';
		}
	}
}

function swapTourBtn(btnid, arrowid, arrowimage, onOrOff) {
	if (onOrOff == 'on') {
		document.getElementById(btnid).className = 'buttonOV';
	}
	else {
		document.getElementById(btnid).className = 'button';
	}
	
	document.getElementById(arrowid).src = 'images/' + arrowimage;
}

function openTour(theUrl, windowName) {
	var w = 712;
	var h = 648;
	var winl = Math.floor((screen.width - w) / 2);
	//var wint = Math.floor((screen.height - h) / 2);
	var wint = 60;

	var newwin = window.open(theUrl, windowName, "Width="+w+",Height="+h+",Menubar=no,Toolbar=no,Status=no,Scrollbars=yes,Resizable=yes,titlebar=0,Top="+wint+",Left="+winl+"");
	newwin.focus();
}