function getAppVersion(){
	appname= navigator.appName;
	appversion = navigator.appVersion;
	majorver = appversion.substring(0, 1);
	if((appname == "Netscape") && (majorver >= 3)) 
		return 1;
		
	if((appname == "Microsoft Internet Explorer") && (majorver >= 4))
		return 1;
		
	return 0;
}
	
function chgImg(myNum, myName) {
	if(getAppVersion()) {
		document[myName].src = img[myNum].src;
	}
}

imgsrc = new Array();
imgsrc[0] = "images/navigation_items/aboutus.gif";
imgsrc[1] = "images/navigation_items/aboutus_over.gif";
imgsrc[2] = "images/navigation_items/locations.gif";
imgsrc[3] = "images/navigation_items/locations_over.gif";
imgsrc[4] = "images/navigation_items/whatsincluded.gif";
imgsrc[5] = "images/navigation_items/whatsincluded_over.gif";
imgsrc[6] = "images/navigation_items/datesandprices.gif";
imgsrc[7] = "images/navigation_items/datesandprices_over.gif";
imgsrc[8] = "images/navigation_items/booking.gif";
imgsrc[9] = "images/navigation_items/booking_over.gif";
imgsrc[10] = "images/navigation_items/accomodation.gif";
imgsrc[11] = "images/navigation_items/accomodation_over.gif";
imgsrc[12] = "images/navigation_items/contactus.gif";
imgsrc[13] = "images/navigation_items/contactus_over.gif";
imgsrc[14] = "images/navigation_items/yourholiday.gif";
imgsrc[15] = "images/navigation_items/yourholiday_over.gif";


	
if(getAppVersion()){
	img = new Array();
	for(i = 0; i < imgsrc.length; i++){
		img[i] = new Image();
		img[i].src = imgsrc[i];
	}
}