function Search(){
	if (document.frmSearch.Cat.value == '') {
		alert('');
	}
	else if (document.frmSearch.Key.value == '') {
		alert('');
		document.frmSearch.Key.focus();
	}
	else {
		keyword = document.frmSearch.Key.value;
		window.location = document.frmSearch.Cat.value + '.php?k=' + keyword;
	}
}

function CheckKey() {
	if (window.event.keyCode == 13) {
		Search();
	}
	return false;
}