/*
 * Dell.com XPS JavaScript document
 *
 */
 
// swaps the display of an element
function swapDisplay(element_name) 
{
	element = document.getElementById(element_name);
	
	if (element.style.display == "block") {
		element.style.display = "none";
	} else {
		element.style.display = "block";
	}
}
 
// shows/hides the specs
function switchSpecs(how)
{
	if (how == "basic") {
		document.getElementById("icon-basic").style.display = "block";
		document.getElementById("content-basic").style.display = "block";
		document.getElementById("icon-advanced").style.display = "none";
		document.getElementById("content-advanced").style.display = "none";
	} else {
		document.getElementById("icon-basic").style.display = "none";
		document.getElementById("content-basic").style.display = "none";
		document.getElementById("icon-advanced").style.display = "block";
		document.getElementById("content-advanced").style.display = "block";
	}

	return false;
}

// preload all images
var blue_website_off = new Image(); blue_website_off.src = "images/btn-blue-website-off.jpg";
var blue_website_on = new Image(); blue_website_on.src = "images/btn-blue-website-on.jpg";
var blue_buynow_off = new Image(); blue_buynow_off.src = "images/btn-blue-buynow-off.jpg";
var blue_buynow_on = new Image(); blue_buynow_on.src = "images/btn-blue-buynow-on.jpg";
var blue_learnmore2_off = new Image(); blue_learnmore2_off.src = "images/btn-blue-learnmore-off_2.jpg";
var blue_learnmore2_on = new Image(); blue_learnmore2_on.src = "images/btn-blue-learnmore-on_2.jpg";
var blue_learnmore_off = new Image(); blue_learnmore_off.src = "images/btn-blue-learnmore-off.jpg";
var blue_learnmore_on = new Image(); blue_learnmore_on.src = "images/btn-blue-learnmore-on.jpg";
var blue_moregames_off = new Image(); blue_moregames_off.src = "images/btn-blue-moregames-off.jpg";
var blue_moregames_on = new Image(); blue_moregames_on.src = "images/btn-blue-moregames-on.jpg";


var purple_buynow_off = new Image(); purple_buynow_off.src = "images/btn-purple-buynow-off.jpg";
var purple_buynow_on = new Image(); purple_buynow_on.src = "images/btn-purple-buynow-on.jpg";
var purple_learnmore_off = new Image(); purple_learnmore_off.src = "images/btn-purple-learnmore-off.jpg";
var purple_learnmore_on = new Image(); purple_learnmore_on.src = "images/btn-purple-learnmore-on.jpg";
var purple_morecomps_off = new Image(); purple_morecomps_off.src = "images/btn-purple-morecomps-off.jpg";
var purple_morecomps_on = new Image(); purple_morecomps_on.src = "images/btn-purple-morecomps-on.jpg";

var purple_seemore_on = new Image(); purple_seemore_on.src = "images/btn_purple_see_titles_on.jpg";
var purple_seemore_off = new Image(); purple_seemore_off.src = "images/btn_purple_see_titles_off.jpg";

var topnav_computers_off = new Image(); topnav_computers_off.src = "images/topnav-computers-off.jpg";
var topnav_computers_on = new Image(); topnav_computers_on.src = "images/topnav-computers-on.jpg";
var topnav_games_off = new Image(); topnav_games_off.src = "images/navTop_games.jpg";
var topnav_games_on = new Image(); topnav_games_on.src = "images/navTop_games-over.jpg";

// image rollover function
function swapImage(element, name, how) {
	document.images[element].src = eval(name + "_" + how + ".src");
	return false;
}