function reloadPage() {
	var available = "A";
	var lang = document.selectProducts.lang.options[document.selectProducts.lang.selectedIndex].value;
	var catalog = document.selectProducts.catalog.options[document.selectProducts.catalog.selectedIndex].value;
	if(document.selectProducts.available)
		available = document.selectProducts.available.options[document.selectProducts.available.selectedIndex].value;
	location="products.php?available=" + available +"&catalog=" + catalog + "&lang=" + lang;
}