function fixSizes()
    {
    var md_left = document.getElementById('md_left');
    if (md_left)
        {
        if (md_left.offsetHeight < 578)
            {
            md_left.style.height = "578px";
            }
        }
        
    var md_right = document.getElementById('md_right');
    if (md_right)
        {
        if (md_right.offsetHeight < 578)
            {
            md_right.style.height = "578px";
            }
        }
    }
if (window.attachEvent && navigator.userAgent.indexOf("Opera")==-1) window.attachEvent("onload", fixSizes);