IE与Firefox的HTC

test.htm

<style>

span {-moz-binding: url(test.xml#custom);behavior:url(test.htc);cursor:pointer;background:#ddd;}

</style>

<span> test </span>

//IE

test.htc

<attach event="onmouseup" onevent="up()"/>

<attach event="onmousedown" onevent="down()"/>

<script language="javascript">

var currX = 0;

function up(){

alert(currX);

}

function down(){

currX += 1;

}

</script>

//Firefox

test.xml

<?xml version="1.0"?>

<bindings xmlns="http://www.mozilla.org/xbl" xmlns:html="http://www.w3.org/1999/xhtml">

<binding id="custom" styleexplicitcontent="true">

<implementation>

<property name="currX">0</property>

</implementation>

<handlers>

<handler event="mousedown">

this.currX = event.clientX+this.currX;

</handler>

<handler event="mouseup">

alert(parseInt(this.currX));

</handler>

</handlers>

</binding>

</bindings>