var gallery_status = 0;
var gallery_itemcount = 7;

function gallery_forward(){
if (gallery_status + 4 < gallery_itemcount){
	gallery_status ++;
	var temp_math = gallery_status * -239;
	document.getElementById("gallerymover").style.left = new String(temp_math + "px");
	document.getElementById("gallery_less").style.backgroundImage = "url('images/gallery_backward_ok.gif')";

}
if (gallery_status + 4 == gallery_itemcount){
	document.getElementById("gallery_more").style.backgroundImage = "url('images/gallery_forward_no.gif')";
	return false;
}
}

function gallery_backward(){
if (gallery_status > 0){
	gallery_status --;
	var temp_math = gallery_status * -239;
	document.getElementById("gallerymover").style.left = new String(temp_math + "px");
	document.getElementById("gallery_more").style.backgroundImage = "url('images/gallery_forward_ok.gif')";

}
if (gallery_status == 0){
	document.getElementById("gallery_less").style.backgroundImage = "url('images/gallery_backward_no.gif')";

}
	
}