var navImageDir = "/filmtracker/www/grafix2/";

var navNames = new Array('nav-databases','nav-tracking','nav-specmarket','nav-scriptshark','nav-reports');
var navOutSrc = new Array('nav-databases.gif','nav-tracking.gif','nav-specmarket.gif','nav-scriptshark.gif','nav-reports.gif');
var navOverSrc = new Array('nav-databases-2.gif','nav-tracking-2.gif','nav-specmarket-2.gif','nav-scriptshark-2.gif','nav-reports-2.gif');

var navOutImages = new Array();
var navOverImages = new Array();

function navInit() {
	var name;
	if (document.images) {
		for (var i = 0; i < navNames.length; i++) {
			name = navNames[i];
			navOutImages[name] = new Image();
			navOverImages[name] = new Image();
			navOutImages[name].src =  navImageDir + navOutSrc[i];
			navOverImages[name].src =  navImageDir + navOverSrc[i];
		}
	}
}

function navOver(name) {
	if (document.images && navOverImages[name] && document.images[name]) {
		document.images[name].src = navOverImages[name].src;
	}
}

function navOut(name) {
	if (document.images && navOutImages[name] && document.images[name]) {
		document.images[name].src = navOutImages[name].src;
	}
}

function navSelected(name) {
	if( navOverImages[name] && navOutImages[name] ) {
		navOutImages[name] = navOverImages[name];
	}
}