window.onload=function() //Autostart
{
setIframeHeight('dynbox1');
setIframeHeight('dynbox2');
setIframeHeight('dynbox3');
setIframeHeight('dynbox4');
setIframeHeight('dynbox5');
setIframeHeight('dynbox6');
}

function setIframeHeight(iframeName) {
	  var iframeWin = window.frames[iframeName];
	  var iframeEl = document.getElementById? document.getElementById(iframeName): document.all? document.all[iframeName]: null;
	  if ( iframeEl && iframeWin ) {
	  iframeEl.style.height = "auto"; 
	  iframeEl.style.height = iframeEl.contentWindow.document.body.scrollHeight+"px";
	  // iframeEl.style.height = iframeEl.contentWindow.document.body.offsetHeight+"px"; 
	 }
	}