self.name = "main";

function preload_util() {
	if (document.images) {
		var imgArray = new Array();
		for (var i=0; i < 5; i++) {
			    imgArray[i] = new Image();
		}
	imgArray[0].src = "images/nav_film_over.gif";
	imgArray[1].src = "images/nav_timeline_over.gif";
	imgArray[2].src = "images/nav_readings_over.gif";
	imgArray[3].src = "images/nav_resources_over.gif";
	imgArray[4].src = "images/nav_home_over.gif";
	}
}

function preload_home() {
	if (document.images) {
		var imgArray = new Array();
		for (var i=0; i < 7; i++) {
			    imgArray[i] = new Image();
		}
	imgArray[0].src = "images/homenav_film_over.gif";
	imgArray[1].src = "images/homenav_timeline_over.gif";
	imgArray[2].src = "images/homenav_readings_over.gif";
	imgArray[3].src = "images/homenav_resources_over.gif";
	imgArray[4].src = "images/homenav_teachers_over.gif";
	imgArray[5].src = "images/homenav_trailer_over.gif";
	imgArray[6].src = "images/homenav_search_over.gif";
	}
}

function preload_internal() {
	if (document.images) {
		var imgArray = new Array();
		for (var i=0; i < 5; i++) {
			    imgArray[i] = new Image();
		}
	imgArray[0].src = "../images/nav_film_over.gif";
	imgArray[1].src = "../images/nav_timeline_over.gif";
	imgArray[2].src = "../images/nav_readings_over.gif";
	imgArray[3].src = "../images/nav_resources_over.gif";
	imgArray[4].src = "../images/nav_home_over.gif";
	}
}

function on(imgName) {
	if (document.images) {
		var rollImg = eval('document.' + imgName);
		rollImg.src = 'images/' + imgName + '_over.gif';		
	}
}

function off(imgName) {
	if (document.images) {
		var rollImg = eval('document.' + imgName);
		rollImg.src = 'images/' + imgName + '.gif';		
	}
}

function on_int(imgName) {
	if (document.images) {
		var rollImg = eval('document.' + imgName);
		rollImg.src = '../images/' + imgName + '_over.gif';		
	}
}

function off_int(imgName) {
	if (document.images) {
		var rollImg = eval('document.' + imgName);
		rollImg.src = '../images/' + imgName + '.gif';		
	}
}