var gallery_images_array = [];

function change_image(o)
{
	var prev, image, next;
	
	prev = next = o.id;
	
	
	
	if(o.id == gallery_images_array.length - 1 && gallery_images_array.length > 1)
	{
		--prev;
		next = 0;
	} 
	else if (o.id == 0 && gallery_images_array.length > 1)
	{
		prev = gallery_images_array.length - 1;
		++next;	
	}
	else
	{
		--prev;
		++next;
	}
	
	
	image = gallery_images_array[o.id];
	
	document.getElementById('current_image').innerHTML = '<a href="javascript:change_image({id:'+prev+'});">prev</a> | <a href="javascript:change_image({id:'+next+'});">next</a><br /><br /><img src="'+image+'" style="width: 400px; border:1px solid #555" />';	
}

function change_city()
{
	document.forms['change_cities_form'].submit();
}