Extjs显示信息

<mce:script type="text/javascript"><!-- var tar = Ext.get('ajax-tip').id; // tarid = tar.id; Ext.QuickTips.init(); var url = 'Default.aspx?a=msn&b=qq'; var tarid = 'ajax-tip'; Ext.onReady(function() { new Ext.ToolTip({ target: 'tip1', html: 'A very simple tooltip' }); new Ext.ToolTip({ target: tarid, width: 200, autoLoad: { url: url }, dismissDelay: 15000 // auto hide after 15 seconds }); new Ext.ToolTip({ target: 'tip2', html: 'Click the X to close me', title: 'My Tip Title', autoHide: false, closable: true, draggable: true }); new Ext.ToolTip({ target: 'track-tip', title: 'Mouse Track', width: 200, html: 'This tip will follow the mouse while it is over the element', trackMouse: true }); Ext.QuickTips.init(); }); // --></mce:script>

<!--CTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dt--><!-- #box{display:none; width: 300px; height: 180px; background:#345;text-align:center; line-height:180px; color:#fff; } -->

鼠标移到这里看看...

嘿嘿！这就是弹出层。