function iframeResize()
{
var dyniframe   = null;
if (document.getElementById)
{
dyniframe = document.getElementById("pinglun");
if (dyniframe)
{
dyniframe.style.display = "block";
if (dyniframe.contentDocument)
{
dyniframe.height = dyniframe.contentDocument.body.scrollHeight + 30;
}
else if (dyniframe.Document && dyniframe.Document.body.scrollHeight)
{
dyniframe.height = dyniframe.Document.body.scrollHeight + (dyniframe.Document.body.offsetHeight - dyniframe.Document.body.clientHeight);
}
}
}
}
if (window.addEventListener)
window.addEventListener("load", iframeResize, false)
else if (window.attachEvent)
window.attachEvent("onload", iframeResize)
else
window.onload=iframeResize