//browser detection
var ns = (navigator.appName == "Netscape");//Netscape browser
var ns6 = false;
var ua = navigator.userAgent;
if (document.getElementById) ns6 = true; //Netscape 6 or above

//images arrays
var imgNamesOff = new Array("images/navfaq/nav_1.jpg", "images/navfaq/nav_2.jpg", "images/navfaq/nav_3.jpg", "images/navfaq/nav_4.jpg", "images/navfaq/nav_5.jpg", "images/navfaq/nav_6.jpg", "images/navfaq/nav_7.jpg", "images/navfaq/nav_8.jpg", "images/navfaq/nav_9.jpg", "images/navfaq/nav_10.jpg", "images/navfaq/nav_11.jpg", "images/navfaq/nav_12.jpg", "images/navfaq/nav_13.jpg", "images/navfaq/nav_14.jpg");
var imgNamesOn = new Array("images/navfaq/nav_1_on.jpg", "images/navfaq/nav_2_on.jpg", "images/navfaq/nav_3_on.jpg", "images/navfaq/nav_4_on.jpg", "images/navfaq/nav_5_on.jpg", "images/navfaq/nav_6_on.jpg", "images/navfaq/nav_7_on.jpg", "images/navfaq/nav_8_on.jpg", "images/navfaq/nav_9_on.jpg", "images/navfaq/nav_10_on.jpg", "images/navfaq/nav_11_on.jpg", "images/navfaq/nav_12_on.jpg", "images/navfaq/nav_13_on.jpg", "images/navfaq/nav_14_on.jpg");
var imgOff = new Array(imgNamesOff.length);
var imgOn = new Array(imgNamesOn.length);

//preload images
for (i=0; i<imgNamesOff.length; i++){
	imgOff[i] = new Image();
	imgOff[i].src = imgNamesOff[i];
	imgOn[i] = new Image();
	imgOn[i].src = imgNamesOn[i];
}

//mouseover
function swapIn(objName){
	var obj = eval("document." + objName);
	for(i=0; i<imgNamesOff.length; i++)
		if (obj.src == imgOff[i].src){
			obj.src = imgOn[i].src;
			break;
		}
}

//mouseout
function swapOut(objName){
	var obj = eval("document." + objName);
	for(i=0; i<imgNamesOn.length; i++)
		if (obj.src == imgOn[i].src){
			obj.src = imgOff[i].src;
			break;
		}
}