![程序代码](http://www.banysky.com/images/code.gif)
<script type="text/javascript" language="javascript" >
document.oncontextmenu=click;
var appState = new applicationState();
function applicationState() {
this.contextMenu = null;
}
function click()
{
var str="";
str="<div style='position: absolute;background-color:#48b4fc;'><table border='1'>";
str+="<tr onmouseover='fn_set(this);'><td>111<td><tr>";
str+="<tr onmouseover='fn_set(this);'><td>222<td><tr>";
str+="<tr onmouseover='fn_set(this);'><td>333<td><tr>";
str+="<tr onmouseover='fn_set(this);'><td>444<td><tr>";
str+="</table></div>";
if(appState.contextMenu != null) appState.contextMenu.removeNode(true)
document.body.insertAdjacentHTML("beforeEnd", str)
contextMenu = document.body.childNodes(document.body.childNodes.length-1)
contextMenu.style.left = window.event.x
contextMenu.style.top = window.event.y;
appState.contextMenu = contextMenu
window.event.cancelBubble = true;
return false;
}
function fn_set(obj){
obj.style.color="#24b400";
}
function clean() {
var contextMenu
if(appState.contextMenu != null) {
contextMenu = appState.contextMenu.removeNode(true)
contextMenu = null
}
}
</script>
<script event=onclick() for="document" type="text/javascript">clean();</script>//处理页面单击事件,关闭下拉表