//FLASH SNIFF
var useFlash = false;

if (navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"] ) {
	// Check for Flash version 5 or greater in Netscape
	var plugin = navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin;
	if (plugin && parseInt(plugin.description.substring(plugin.description.indexOf(".")-1))>=5)
		useFlash = true;
	} else if (navigator.appName && navigator.appName.indexOf("Microsoft") != -1 &&
	  navigator.userAgent.indexOf("Windows") != -1 && navigator.userAgent.indexOf("Windows 3.1") == -1) {
		// Assume any Windows IE except for Windows 3.1 supports the OBJECT tag
		useFlash = true;
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function showPopup(num) {
		for (var i=1; i<16; i+=1) {
			document.getElementById('popUp' + i).style.display ='none';
		}
	document.getElementById('popUp' + num).style.display ='block';
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		header_home_over = newImage("images/header_home-over.gif");
		header_map_over = newImage("images/header_map-over.gif");
		header_about_over = newImage("images/header_about-over.gif");
		preloadFlag = true;
	}
}