// $(function() {
var form = $('#search form')[0];
form.action = 'musiclist.php';
form.target = '_blank';
$(form).submit(function() {
			if ($.trim($('[name=w]', this).val()) == '') {
				alert('请输入关键字')
				return false
			}
		})
$('#search select').change(function() {
			var act = '';
			switch (this.value) {
				case '0' :
					act = 'musiclist.php'
					break;
				case '1' :
					act = 'singerlist.php'
			}
			form.action = act;
		})

// })