function getHeight(theEl)
{
	return (theEl.currentStyle) ? theEl.offsetHeight : stripPX(document.defaultView.getComputedStyle(theEl,'').height);
}
function stripPX(theValue)
{
	return (theValue.substring(0, theValue.length - 2) - 0);
}
function setHeight(element)
{
	leftSideHeight  	= getHeight(document.getElementById("leftColumn"));
	rightSideHeight 	= (document.getElementById("rightColumn")) ? getHeight(document.getElementById("rightColumn")) : 0 ;
	contentColumnHeight = getHeight(document.getElementById("contentColumn"));

	tallestColumn   	= (leftSideHeight > rightSideHeight)	? leftSideHeight	: rightSideHeight;
	tallestColumn   	= (tallestColumn > contentColumnHeight) ? tallestColumn 	: contentColumnHeight;

	if (element.style.minHeight)
	{
		element.style.minHeight = tallestColumn+"px";
	}
	else
	{
		element.style.height	= tallestColumn+"px";
	}
}