iframe 框架自动适应高度

function reinitIframe(){ var iframe = document.getElementById(frame_content); try{ var bHeight = iframe.contentWindow.document.body.scrollHeight; var dHeight = iframe.contentWindow.document.documentElement.scrollHeight; var height = Math.m

function reinitIframe(){
var iframe = document.getElementById("frame_content");
try{
var bHeight = iframe.contentWindow.document.body.scrollHeight;
var dHeight = iframe.contentWindow.document.documentElement.scrollHeight;
var height = Math.max(bHeight, dHeight);
iframe.height =  height;
}
catch (ex){}
}
window.setInterval("reinitIframe()", 200);