function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}


function setTall() {
	if (document.getElementById) { // Do you know the DOM?
		var divs = 	new Array(document.getElementById('centerColumn'),document.getElementById('rightColumn')
					);
		var maxHeight = 0;

		for (var i = 0; i < divs.length; i++) { // Get the height of the tallest column
			if (divs[i].offsetHeight > maxHeight) {
				maxHeight = divs[i].offsetHeight;
			}
		}

		for (var i = 0; i < divs.length; i++) { // set the height of the tallest column
			divs[i].style.height = maxHeight  + 'px';
		}
	}
}

/*addLoadEvent(function () { setTall(); })*/