// Add additional image field
function add(btn) 
{
	var clone = $(btn).parent().clone();
	var counterobj = $('#'+$('input:file', clone).attr('name').substr(0,$('input:file', clone).attr('name').length-2));
	if (counterobj.val() > 0)
	{
		$('input:file', clone).val('');
		$(btn).parent().after(clone);
		counterobj.val(counterobj.val()-1);
	}
}
function remove(btn) 
{
	var clone = $(btn).parent().clone();
	var counterobj = $('#'+$('input:file', clone).attr('name').substr(0,$('input:file', clone).attr('name').length-2));

	if ($(btn).parent().prev().attr('class') == 'pictures' || $(btn).parent().next().attr('class') == 'pictures')
	{
		$(btn).parent().remove();
		counterobj.val(counterobj.val()*1+1);
	}
}