/*
'*********************************************************
'* FILENAME: i_menuimages.js
'*
'* DESCRIPTION: define menu images
'*				
'* INPUTS:	none
'*
'* OUTPUTS: none
'*
'* REV HISTORY: 	8/2004
'*					2/6/08, J Engle, add Video on/off
'*					11/17/08, J Engle, dift graphics for DGTP for index page
'*					5/25/09, J Engle, remove video, add products
'*					7/15/09, J Engle, add Twitter and RSS
'*					1/6/2010, J Engle, de-blink Products
'*********************************************************
*/

<!--      - - - - - - - - - - - - - - - - - - - - - - - - - -

/*	 . . create Image object  . . . . . . . . . . . . . . . .  */
function newImage(graphic) {
	if (document.images) {
		jsImage = new Image();
		jsImage.src = graphic;
		return jsImage;
	}
}


/*	 . . change Image graphic . . . . . . . . . . . . . . . .  */
	function chgImg(imgField,newImg) {
		if (document.images) {
			document[imgField].src= eval(newImg + ".src");
		}
	}

/*	 . . . preload graphics for menu . . . . . . . . . . . . . . . . . .  */
function preloadImages() {
	if (document.images) {
		
		dgtp_on_index = newImage("images/menu/dgtp_on_index.gif");
		dgtp_off_index = newImage("images/menu/dgtp_off_index.gif");
		
		dgtp_on = newImage("images/menu/dgtp_on.gif");
		dgtp_off = newImage("images/menu/dgtp_off.gif");
		
		about_on = newImage("images/menu/about_on.gif");
		about_off = newImage("images/menu/about_off.gif");
		subscribe_on = newImage("images/menu/subscribe_on.gif");
		subscribe_off = newImage("images/menu/subscribe_off.gif");
		media_on = newImage("images/menu/media_on.gif");
		media_off = newImage("images/menu/media_off.gif");
		links_on = newImage("images/menu/links_on.gif");
		links_off = newImage("images/menu/links_off.gif");
		contact_on = newImage("images/menu/contact_on.gif");
		contact_off = newImage("images/menu/contact_off.gif");
		events_on = newImage("images/menu/events_on.gif");
		events_off = newImage("images/menu/events_off.gif");
		surveys_on = newImage("images/menu/surveys_on.gif");
		surveys_off = newImage("images/menu/surveys_off.gif");
		reprints_on = newImage("images/menu/reprints_on.gif");
		reprints_off = newImage("images/menu/reprints_off.gif");
		marketplace_on = newImage("images/menu/marketplace_on.gif");
		marketplace_off = newImage("images/menu/marketplace_off.gif");
		home_on = newImage("images/menu/home_on.gif");
		home_off = newImage("images/menu/home_off.gif");
		
		directLink_on = newImage("images/menu/directLink_on.gif");
		directLink_off = newImage("images/menu/directLink_off.gif");
		
		gsg_on = newImage("images/menu/gsg_on.gif");
		gsg_off = newImage("images/menu/gsg_off.gif");
		ctsupp_on = newImage("images/menu/ctsupp_on.gif");
		ctsupp_off = newImage("images/menu/ctsupp_off.gif");
		
		storefront_on = newImage("images/menu/storefront_on.gif");
		storefront_off = newImage("images/menu/storefront_off.gif");
		forum_on = newImage("images/menu/forum_on.gif");
		forum_off = newImage("images/menu/forum_off.gif");
			
		digital_on = newImage("images/btn_digital_on.gif");
		digital_off = newImage("images/btn_digital_off.gif");
		
		products_on = newImage("images/menu/products_on-plain.gif");
		products_off = newImage("images/menu/products_off-plain.gif");

		rss_on = newImage("images/menu/rss_on.gif");
		rss_off = newImage("images/menu/rss_off.gif");
		twitter_on = newImage("images/menu/twitter_on.gif");
		twitter_off = newImage("images/menu/twitter_off.gif");
	}
}

// -->