/*
*
*
*/
function imgGallery_prev() {
		
	var nav			= ($("imgGallery_nav").value * 1);
	var img_per_row	= ($("imgGallery_img_per_row").value * 1);
	var img_count	= ($("imgGallery_img_count").value * 1);
	
	var img_hide 	= nav + (img_per_row - 1);
	var img_show	= nav - 1;
		
//	alert(img_hide);
//	alert(img_show);
	
	if( img_show >= 0 )
	{
		$("imgGallery_bar_image_"+img_hide).style.display 	= "none";
		$("imgGallery_bar_image_"+img_show).appear();
		
		$("imgGallery_nav").value = nav - 1;
		
		$("imgGallery_next_img").src = "img/next.gif";
		if( (nav - 1) == 0 )
			$("imgGallery_prev_img").src = "img/prev_disabled.gif";		
	}	
}

/*
*
*
*/
function imgGallery_next() {
		
	var nav			= ($("imgGallery_nav").value * 1);
	var img_per_row	= ($("imgGallery_img_per_row").value * 1);
	var img_count	= ($("imgGallery_img_count").value * 1);
	
	// mozilla fix
	if( $("imgGallery_bar_image_0").style.display != "none" )
		nav = 0;
	
	var img_hide 	= nav;
	var img_show	= nav + img_per_row;		
	
//	alert(img_hide);
//	alert(img_show);
	
//	alert(nav);
//	alert(img_show);
	
	if( img_show <= img_count )
	{
		$("imgGallery_bar_image_"+img_hide).style.display 	= "none";
		$("imgGallery_bar_image_"+img_show).appear();
		
		$("imgGallery_nav").value = nav + 1;
		
		$("imgGallery_prev_img").src = "img/prev.gif";
		if( img_show == img_count )
			$("imgGallery_next_img").src = "img/next_disabled.gif";
	}			
}

/*
*
*
*/
function imgGallery_view(img) {
	$("imgGallery_img_view").src = img;
}