function calcHeight(the_iframe){
var iframeElement = document.getElementById(the_iframe);
if(document.getElementById && !(document.all)) {
h = iframeElement.contentDocument.body.scrollHeight;
iframeElement.style.height = h+'px';
}
else{
h = document.frames(the_iframe).document.body.scrollHeight;
document.all(the_iframe).style.height = (h==150)? 0:h;
  }
}