<script>
var x=new ActiveXObject("Microsoft.XMLDOM")
x.loadXML('<html:text property="tt" value="ddddd" xmlns:html="xxxxx"/>')
alert(x.xml)
node=x.selectSingleNode("/html:text/@value")
alert(node.value)
node.value = "aaaaaaaaaaaaaaa"
alert(x.xml)
</script>