Ext.BLANK_IMAGE_URL = baseUrl + '/ext-2.2/resources/images/default/s.gif';
Ext.onReady(function(){
	new Ext.form.ComboBox({
		typeAhead: false,
		triggerAction: 'all',
		transform:'dropdown',
		cls:'optDropdown',
		forceSelection:true,
		emptyText: 'Opleidingsinformatie',
		listeners:{
			'select':function(e){window.location = e.value;}
		}
	});
});

function checkField(field) {
	if (field.value == '') {
		field.value = 'Zoeken binnen deze site...';
	}
}