title: ExtJS DateField - initialising date
body: <p>I have an ExtJS Date field. During some operation in the application, min value and max value get assigned to the date field. The min value and max value are 4 years prior to the current dat, but when the date picker opens up, it opens to the disabled current dates. The user has to manually scroll back 4 years to select a date. Anyways I can update the datepicker to open up by showing the date between the min value and max value ?</p>
  
  <p>Adding code:</p>
  
  <pre><code>cmpDt.setMinValue(new Date(2000, 0, 1));
  cmpDt.setMaxValue(new Date(2004, 0, 1));
  </code></pre>
  
  <p>this sets the min and max value. I cant use <code>setValue()</code> because it inialises/changes the textfield. I want the textfield to get value only on selection from the datepicker.</p>
  
  <p>Thanks</p>