// navigator.js
// www.synck.com

// current enabled / disabled = false;
var navigatorCurrent = true;

// rollOut enabled / disabled = false;
var navigatorRollOut = true;

var navigatorImages = new Object;
var rollOverObj = new Object();
var navigatorRollOverPreloads = new Array();
var navigatorRollOutPreloads = new Array();
function nv_onload(){
	var d = window.document;
	var aObjects = d.getElementsByTagName("a");
	for (i=0;i<aObjects.length;i++) {
		if(aObjects[i].className == "navigator"){
			var defaultImagePath = aObjects[i].firstChild.src.split('/')[aObjects[i].firstChild.src.split('/').length-1];
			var currentImagePath = defaultImagePath.replace('_','_current_');
			var rolloverImagePath = defaultImagePath.replace('_','_over_');
			var rolloutImagePath = defaultImagePath.replace('_','_out_');
			if(location.href == aObjects[i].href && (navigatorCurrent)){
				aObjects[i].firstChild.src = aObjects[i].firstChild.src.replace(defaultImagePath,currentImagePath);
				aObjects[i].firstChild.className = "current";
			}
			else {
				navigatorRollOverPreloads[i] = new Image;
				navigatorRollOverPreloads[i].src = rolloverImagePath;
				if(navigatorRollOut){
					navigatorRollOutPreloads[i] = new Image;
					navigatorRollOutPreloads[i].src = rolloutImagePath;
				}
			}
		}
	}
	$("a.navigator").mouseover(function(){
		nv_over(this);
	});
	$("a.navigator").mouseout(function(){
		nv_out(this);
	});
}

function nv_over(obj){
	if(obj.firstChild.src.indexOf('_current_') == -1){
		var defaultImagePath = obj.firstChild.src.split('/')[obj.firstChild.src.split('/').length-1];
		if(defaultImagePath.indexOf('_out_') > -1)
			var currentImagePath = defaultImagePath.replace('_out_','_over_');
		else
			var currentImagePath = defaultImagePath.replace('_','_over_');
		obj.firstChild.src = obj.firstChild.src.replace(defaultImagePath,currentImagePath);
	}
}
function nv_out(obj){
	if(obj.firstChild.src.indexOf('_current_') == -1){
		var defaultImagePath = obj.firstChild.src.split('/')[obj.firstChild.src.split('/').length-1];
		if(navigatorRollOut)
			var currentImagePath = defaultImagePath.replace('_over_','_out_');
		else
			var currentImagePath = defaultImagePath.replace('_over_','_');
		obj.firstChild.src = obj.firstChild.src.replace(defaultImagePath,currentImagePath);
	}
}
$(document).ready(nv_onload);