function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav_home_over = newImage("http://www.gotrek.com.au/gotrek/images/nav_home_over.gif");
		nav_about_over = newImage("http://www.gotrek.com.au/gotrek/images/nav_about_over.gif");
		nav_freetv_over = newImage("http://www.gotrek.com.au/gotrek/images/nav_freetv_over.gif");
		nav_premium_over = newImage("http://www.gotrek.com.au/gotrek/images/nav_premium_over.gif");
		nav_pricing_over = newImage("http://www.gotrek.com.au/gotrek/images/nav_pricing_over.gif");
		nav_channel_over = newImage("http://www.gotrek.com.au/gotrek/images/nav_channel_over.gif");
		nav_mobiletv_over = newImage("http://www.gotrek.com.au/gotrek/images/nav_mobiletv_over.gif");
		nav_help_over = newImage("http://www.gotrek.com.au/gotrek/images/nav_help_over.gif");
//		nav_corporate_over = newImage("http://www.gotrek.com.au/gotrek/images_nav/corporate_over.gif");
//		nav_contact_over = newImage("http://www.gotrek.com.au/gotrek/images_nav/contact_over.gif");
//		nav_privacy_over = newImage("http://www.gotrek.com.au/gotrek/images_nav/privacy_over.gif");
		home_icons_crimestoppers_over = newImage("http://www.gotrek.com.au/gotrek/images/home_icons_crimestoppers_over.gif");
		home_icons_finance_over = newImage("http://www.gotrek.com.au/gotrek/images/home_icons_finance_over.gif");
		home_icons_games_over = newImage("http://www.gotrek.com.au/gotrek/images/home_icons_games_over.gif");
		home_icons_gay_over = newImage("http://www.gotrek.com.au/gotrek/images/home_icons_gay_over.gif");
		home_icons_horoscopes_over = newImage("http://www.gotrek.com.au/gotrek/images/home_icons_horoscopes_over.gif");
		home_icons_movies_over = newImage("http://www.gotrek.com.au/gotrek/images/home_icons_movies_over.gif");
		home_icons_music_over = newImage("http://www.gotrek.com.au/gotrek/images/home_icons_music_over.gif");
		home_icons_sports_over = newImage("http://www.gotrek.com.au/gotrek/images/home_icons_sports_over.gif");
		home_icons_weather_over = newImage("http://www.gotrek.com.au/gotrek/images/home_icons_weather_over.gif");
                button_click_preview_over = newImage("http://www.gotrek.com.au/gotrek/images/button_click_preview_over.gif");
                button_dlev_over = newImage("http://www.gotrek.com.au/gotrek/images/button_dlev_over.gif");
                button_download_gotrek_over = newImage("http://www.gotrek.com.au/gotrek/images/button_download_gotrek_over.gif");
                button_download_gotrek_ev_over = newImage("http://www.gotrek.com.au/gotrek/images/button_download_gotrek_ev_over.gif");
                button_download_now_over = newImage("http://www.gotrek.com.au/gotrek/images/button_download_now_over.gif");
                button_ev_over = newImage("http://www.gotrek.com.au/gotrek/images/button_ev_over.gif");
                button_free_preview_over = newImage("http://www.gotrek.com.au/gotrek/images/button_free_preview_over.gif");
                button_no_over = newImage("http://www.gotrek.com.au/gotrek/images/button_no_over.gif");
                button_pricing_over = newImage("http://www.gotrek.com.au/gotrek/images/button_pricing_over.gif");
                button_reinstall_over = newImage("http://www.gotrek.com.au/gotrek/images/button_reinstall_over.gif");
                button_reports_over = newImage("http://www.gotrek.com.au/gotrek/images/button_reports_over.gif");
                button_rntv_over = newImage("http://www.gotrek.com.au/gotrek/images/button_rntv_over.gif");
                button_subscribe_over = newImage("http://www.gotrek.com.au/gotrek/images/button_subscribe_over.gif");
                button_yes_over = newImage("http://www.gotrek.com.au/gotrek/images/button_yes_over.gif");                
                button_watch_over = newImage("http://www.gotrek.com.au/gotrek/images/button_watch_over.gif");                
                preloadFlag = true;
	}
}

function popWindow(fileName, popupName, height, width) { 
	window.open(fileName, popupName, 'width=' + width + ',height=' + height + ',scrollbars=no,resize=no,toolbar=no');
}


function popWindowScrollbar(fileName, popupName, height, width) { 
	window.open(fileName, popupName, 'width=' + width + ',height=' + height + ',scrollbars=yes,resize=no,toolbar=yes');
}