function Sum()  {
var terms = "/cgi-bin/besthotelz/hungary/search.cgi?terms=";
	if (document.SearchForm.Keyword.value != "")
		{terms = terms + "+" + document.SearchForm.Keyword.value};
	if (document.SearchForm.Category.selectedIndex != "0")
		{terms = terms + "+" + document.SearchForm.Category.options[document.SearchForm.Category.selectedIndex].value};
	if (document.SearchForm.Destination.selectedIndex != "0")
		{terms = terms + "+" + document.SearchForm.Destination.options[document.SearchForm.Destination.selectedIndex].value};
	if (document.SearchForm.RoomRate.selectedIndex != "0")
		{terms = terms + "+" + document.SearchForm.RoomRate.options[document.SearchForm.RoomRate.selectedIndex].value};
	if (document.SearchForm.Location.selectedIndex != "0")
		{terms = terms + "+" + document.SearchForm.Location.options[document.SearchForm.Location.selectedIndex].value};
	if (document.SearchForm.C1.checked == true)
		{terms = terms + "+" + document.SearchForm.C1.value};
	if (document.SearchForm.C2.checked == true)
		{terms = terms + "+" + document.SearchForm.C2.value};
	if (document.SearchForm.C3.checked == true)
		{terms = terms + "+" + document.SearchForm.C3.value};
	if (document.SearchForm.C4.checked == true)
		{terms = terms + "+" + document.SearchForm.C4.value};
	if (document.SearchForm.C5.checked == true)
		{terms = terms + "+" + document.SearchForm.C5.value};
	if (document.SearchForm.C6.checked == true)
		{terms = terms + "+" + document.SearchForm.C6.value};
	if (document.SearchForm.C7.checked == true)
		{terms = terms + "+" + document.SearchForm.C7.value};
	if (document.SearchForm.C8.checked == true)
		{terms = terms + "+" + document.SearchForm.C8.value};
	if (document.SearchForm.C9.checked == true)
		{terms = terms + "+" + document.SearchForm.C9.value};
	if (document.SearchForm.C10.checked == true)
		{terms = terms + "+" + document.SearchForm.C10.value};
	if (document.SearchForm.C11.checked == true)
		{terms = terms + "+" + document.SearchForm.C11.value};
	if (document.SearchForm.C12.checked == true)
		{terms = terms + "+" + document.SearchForm.C12.value};
	if (document.SearchForm.C13.checked == true)
		{terms = terms + "+" + document.SearchForm.C13.value};
	if (document.SearchForm.C14.checked == true)
		{terms = terms + "+" + document.SearchForm.C14.value};
	if (document.SearchForm.C15.checked == true)
		{terms = terms + "+" + document.SearchForm.C15.value};
	if (document.SearchForm.C16.checked == true)
		{terms = terms + "+" + document.SearchForm.C16.value};
	if (document.SearchForm.C17.checked == true)
		{terms = terms + "+" + document.SearchForm.C17.value};
	if (document.SearchForm.C18.checked == true)
		{terms = terms + "+" + document.SearchForm.C18.value};
	if (document.SearchForm.C19.checked == true)
		{terms = terms + "+" + document.SearchForm.C19.value};
	if (document.SearchForm.C20.checked == true)
		{terms = terms + "+" + document.SearchForm.C20.value};
	if (document.SearchForm.C21.checked == true)
		{terms = terms + "+" + document.SearchForm.C21.value};
	if (document.SearchForm.C22.checked == true)
		{terms = terms + "+" + document.SearchForm.C22.value};
	document.SearchForm.action = terms;
}