var search_line_def_text = "Введите текст для поиска";

function search_line_focus(search_line) {
	if (search_line.value == search_line_def_text) {
		search_line.value = "";
		search_line.className = "text";
	}
}

function search_line_blur(search_line) {
	if (search_line.value == "") {
		search_line.value = search_line_def_text;
		search_line.className = "text gray";
	}
}