시아레의 세상적응기...

function resizeHeight(fr) {
 fr.setExpression('height',Utotal.document.body.scrollHeight);
 var Dwidth = parseInt(document.body.scrollWidth);
 var Dheight = parseInt(document.body.scrollHeight);
 var divEl = document.createElement("div");
 divEl.style.position = "absolute";
 divEl.style.left = "0px";
 divEl.style.top = "0px";
 divEl.style.width = "100%";
 divEl.style.height = "100%";
 document.body.appendChild(divEl);
 window.resizeBy(Dwidth-divEl.offsetWidth, Dheight-divEl.offsetHeight);
 document.body.removeChild(divEl);
}



<iframe name="Utotal" onload="resizeHeight(this)">