var searchTerm = '';

function doSearch(url) {
	if(searchTerm.length<=2) alert('Sua busca deve conter no mínimo 2 letras')
	else document.location = url+'/'+searchTerm
}

function setSearch(id) {
	searchTerm = $('#'+id).attr('value');
	$('#'+id).attr('value', 'buscar');
}