title: Why doesn't extjs qtip on combobox show up in internet explorer?
body: <p>I've added an <strong>extJS</strong> quicktip (<strong>qtip</strong>) to an extJS <strong>combobox</strong> and it works well in FF, Chrome, Safari but <strong>not in IE7 and IE8</strong>.</p>
  
  <p>Here is a code snippet:</p>
  
  <pre><code> var searchConfig = {
          store: store,
          tpl: tpl,
          hideTrigger: false,
          minChars: 1,
          queryDelay: 50,
          emptyText: OpenLayers.i18n('Geo search...'),
          loadingText: OpenLayers.i18n('loadingText'),
          displayField: 'label',
          cls: 'cbSearchCls',
          ctCls: 'cbSearchContainerCls',
          width: config.width || 200,
          listWidth: 280,
          selectOnFocus: true,
          triggerClass: 'loupe',
          listeners:{
              'render':function() {
              this.el.set(
                  {qtip: OpenLayers.i18n('searchQuicktip'),
                   qwidth: 400
                   }
                  );
                  this.validate();
              }
          }
      };
      if (config.renderTo) {
          searchConfig['renderTo'] = config.renderTo;
      }
      var search = new Ext.form.ComboBox(searchConfig);
  
      //configure quicktip shown on search box
      Ext.apply(Ext.QuickTips.getQuickTip(), {
          showDelay: 50,      // Show 50ms after entering target
          dismissDelay: 10000,
          trackMouse: true
  
      });
  </code></pre>
  
  <p>The application can be viewed online under <a href="http://map.geoportal.lu?lang=en" rel="nofollow">http://map.geoportal.lu?lang=en</a>
  When you move your mouse over the search box on the top, you'll see a quicktip appear.
  In IE, nothing happens.</p>
  
  <p>What am I missing?</p>
  
  <p>Kind regards</p>
  
  <p>jay</p>