Ext.onReady(function(){
    var dp = new Ext.form.DateField({
        applyTo: 'dateInput',
		width: 100,
		minValue: min_date,
		maxValue: max_date,
		format: 'Y-m-d'
    });

	var goBtn = new Ext.Button({
		applyTo: 'dateGo',
        text: go_btn_label,
        handler: goClick
	})

	function goClick() {
		window.location.href = date_link + dp.getValue().format("Y-m-d");
	}
});