function changeSubCat(sub_cat_id) {
	document.getElementById("sub_cat_id").value=sub_cat_id;
	document.getElementById("sub_cat_form").submit();
}
function paginate(page_num) {
	document.getElementById("page_num").value=page_num;
	document.getElementById("sub_cat_form").submit();
}
function changeOrder() {
	document.getElementById("sub_cat_form").submit();
}