function setHeight() {
  h1=document.getElementById('orangenews').offsetHeight;
  h2=document.getElementById('bluenews').offsetHeight;  
  y1=getRelTop('orangenews');
  y2=getRelTop('bottom');  
  h=y2-y1-10;
  maxH=0;
  if (h1>h) maxH=h1; else maxH=h;
  if (h2>maxH) maxH=h2;
  document.getElementById('orangenews').style.height=maxH;
  document.getElementById('bluenews').style.height=maxH;
}

function getRelTop(elemName) {
        elem=document.getElementById(elemName);
		pos = elem.offsetTop;
		while (elem.offsetParent != null) {
			elem = elem.offsetParent;
			pos += elem.offsetTop;
			if (elem.tagName == 'BODY') break;
		} return pos;

}

window.onresize = function(){  setHeight(); }