怎么在VML图中插入图片呢?

Question

<vml:rect inset='2pt,2pt,2pt,2pt' id='<%=nodeId%>' table_id='<%=nodeId%>'  flowType='<%=flowNodeType%>'  passCount='0'  flowTitle='<%=nodeName%>' flowFlag='0'  readOnly='0'  receiverID=''  receiverName=''  
stroked='false' style='LEFT: <%=nodeX%>; TOP:<%=nodeY%>; WIDTH: 100; POSITION: absolute; HEIGHT: 100;vertical-align:middle;CURSOR:hand;TEXT-ALIGN:middle;z-index:1' arcsize='4321f' coordsize='21600,21600'
title=''>

<vml:imagedata src="/product/platform/img/a_1.gif" style="position:relative;top:0;left:0;width:50;height:50"/>
<vml:textbox inset='1pt,2pt,1pt,1pt' onselectstart='return false;' style="valign:bottom;"><br><%=nodeName%></vml:textbox>
</vml:rect>