<div class="main_contain" id="z_div" style="position: relative;">
<iframe id="MainFrame" style="width:740px;" frameborder="0" scrolling="no" src="<%=basePath%>${toUrl }" onload="fuFunctiondan()"></iframe>
</div>
<script type="text/javascript">
function fuFunctiondan(){
var iframeHeight=0;
if(navigator.userAgent.indexOf("Firefox")>0){
iframeHeight=window.frames[0].document.body.scrollHeight();
alert(iframeHeight+"火狐");
}else if(navigator.userAgent.indexOf("MSIE")>0){
iframeHeight=MainFrame.document.body.scrollHeight;
alert(iframeHeight+"IE");
}else{
iframeHeight=MainFrame.document.body.scrollHeight;
alert(iframeHeight+"其他浏览器");
}}
</script>
<script type="text/javascript">
var clea= function (){
window.clearInterval(time);};
var acd=function(){
alert("5");
clea(); //已参数形式命名的方法调用时应加上（）；
}; //当方法作为参数时 ，要把方法定义成参数样式
//var time=window.setInterval(acd,5000);

</script>