<SCRIPT type=text/javascript>
// IFrame script Ver 1.0

//여러개의 IFrame는 다음과 같이 사용합니다.
// 예 : ["myframe1", "myframe2"] or ["myframe"] or [] for none:
var iframeids=["ifrm"]
var iframehide="yes"

var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]
var FFextraHeight=parseFloat(getFFVersion)>=0.1? 16 : 0

function resizeCaller() {
var dyniframe=new Array()

for (i=0; i<iframeids.length; i++) {
if (document.getElementById)
resizeIframe(iframeids[i])

if ((document.all || document.getElementById) && iframehide=="no") {
var tempobj=document.all? document.all[iframeids[i]] : document.getElementById(iframeids[i])
tempobj.style.display="block"
}
}
}

function resizeIframe(frameid) {
var currentfr=document.getElementById(frameid)

if (currentfr && !window.opera){
currentfr.style.display="block"

if (currentfr.contentDocument && currentfr.contentDocument.body.offsetHeight)
currentfr.height = currentfr.contentDocument.body.offsetHeight+FFextraHeight;
else if (currentfr.Document && currentfr.Document.body.scrollHeight)
currentfr.height = currentfr.Document.body.scrollHeight;

if (currentfr.addEventListener)
currentfr.addEventListener("load", readjustIframe, false)
else if (currentfr.attachEvent){
currentfr.detachEvent("onload", readjustIframe)
currentfr.attachEvent("onload", readjustIframe)
}
}
}

function readjustIframe(loadevt) {
var crossevt=(window.event)? event : loadevt
var iframeroot=(crossevt.currentTarget)? crossevt.currentTarget : crossevt.srcElement

if (iframeroot)
resizeIframe(iframeroot.id);
}

function loadintoIframe(iframeid, url) {
if (document.getElementById)
document.getElementById(iframeid).src=url
}

if (window.addEventListener)
window.addEventListener("load", resizeCaller, false)
else if (window.attachEvent)
window.attachEvent("onload", resizeCaller)
else
window.onload=resizeCaller
</SCRIPT>


<iframe id="ifrm" name="board"  src="파일" width="800" scrolling="no" frameborder="0"></iframe>

로 하시면 됩니다. 아이프레임이 다수인경우 id값으로 구분됩니다.

IE.FF.CHROME 모두 가능합니다.