function change_item(navigation_direction) {
	item_number=item_number+navigation_direction;
	if (item_number<0) {
		item_number=item_number+num_items
	}
	if (item_number>=num_items) {
		item_number=item_number-num_items
	}
	var width=coll_widths[item_number];
	if (width==256) {
		var height=352;
		var marginTop='0px'
	}
	else {
		var height=256;
		var marginTop='64px'
	}
	var reload_page=true;
	if (document.getElementById) {
		var image=document.getElementById('fashion_image');
		image.src="pictures/"+coll_pictures[item_number]+".jpeg";
		image.width=width;
		image.height=height;
		image.style.marginTop=marginTop;
		var description=document.getElementById('fashion_description');
		description.nodeValue=coll_descriptions[item_number];
		description.innerHTML=coll_descriptions[item_number];
		reload_page=false;
	}
	else if (document.all) {
		var image=document.all['fashion_image'];
		image.src="pictures/"+coll_pictures[item_number]+".jpeg";
		image.width=width;
		image.height=height;
		image.style.marginTop=marginTop;
		var description=document.all['fashion_description'];
		description.innerHTML=coll_descriptions[item_number];
		reload_page=false;
	}
	return reload_page;
}

function preload_images() {
	var pics = new Array();
	if (document.images) {
		for (index=0;index<num_items;index++) {
			pics[index]= new Image();
			pics[index].src= "pictures/"+coll_pictures[index]+".jpeg";
		}
	}
}

function preload_rollovers() {
	if (document.images) {
		pic1= new Image();
		pic1.src= "images/rococo_collection_9de-fab_256x128.png";
		pic2= new Image();
		pic2.src= "images/meadowsweet_bd8-fab_256x128.png";
	}
}