function colLengths()
{
    var cols = new Array('leftColumnContent', 'rightColumnContent');
    var x = document.getElementById(cols[0]).offsetHeight;
    for (var i = 1; i < cols.length; i++)
    {
        if (document.getElementById(cols[i]).offsetHeight > x)
            x = document.getElementById(cols[i]).offsetHeight
    }
    for (i = 0; i < cols.length; i++)
    {
        document.getElementById(cols[i]).style.height = x + "px";
    }
}