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<iframe id="myFrame" frameborder="0" vspace="0" hspace="0" marginwidth="0"
marginheight="0" width="100%" src="external.html" scrolling="no"
style="overflow:visible"></iframe>
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function adjustIFrameSize(id) {
var myIframe = document.getElementById(id);
if (myIframe) {
if (myIframe .contentDocument && myIframe.contentDocument.body.offsetHeight) {
// W3C DOM (and Mozilla) syntax
myIframe.height = myIframe.contentDocument.body.offsetHeight;
} else if (myIframe.Document && myIframe.Document.body.scrollHeight) {
// IE DOM syntax
myIframe.height = myIframe.Document.body.scrollHeight;
}
}
}
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<body ... onload = "adjustIFrameSize('myFrame');">
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function adjustIFrameSize(id) {
var myIframe = document.getElementById(id);
if (myIframe) {
if (myIframe.contentDocument && myIframe.contentDocument.body.offsetHeight) {
// W3C DOM (and Mozilla) syntax
myIframe.height = myIframe.contentDocument.body.offsetHeight;
} else if (myIframe.Document && myIframe.Document.body.scrollHeight) {
// IE DOM syntax
myIframe.height = myIframe.Document.body.scrollHeight;
}
// bind onload events to iframe
if (myIframe.addEventListener) {
myIframe.addEventListener("load", resizeIframe, false);
} else {
myIframe.attachEvent("onload", resizeIframe);
}
}
}
function resizeIframe(evt) {
evt = (evt) ? evt : event;
var target = (evt.target) ? evt.target : evt.srcElement;
// take care of W3C event processing from iframe's root document
if (target.nodeType == 9) {
if (evt.currentTarget && evt.currentTarget.tagName.toLowerCase() == "iframe") {
target = evt.currentTarget;
}
}
if (target) {
adjustIFrameSize(target.id);
}
}
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