function search_field_focus () {
	search_input = document.getElementById('gr-search');
	
	if (search_input.value == 'Fritextsök') {
		search_input.className = 'search-black';
		search_input.value = '';
	}
}

function search_field_unfocus () {
	search_input = document.getElementById('gr-search');
	
	if (search_input.value == '') {
		search_input.className = 'search-grey';
		search_input.value = 'Fritextsök';
	}
}