function setHeight() {
    // alert('setHeight()');
    var middlerow = document.getElementById('middlerow').offsetHeight;
    document.getElementById('copy').style.height = middlerow - 71 + 'px';
    document.getElementById('rhsimg').style.height = middlerow - 65 + 'px';
    document.getElementById('sidenav_links').style.height = middlerow - 392 + 'px';
    document.getElementById('colM').style.height = middlerow + 'px';  
}

function setHeight2() {
    // alert('setHeight2()');
    var middlerow = document.getElementById('middlerow').offsetHeight;
    document.getElementById('copy2').style.height = middlerow + 1 + 'px';
    document.getElementById('sidenav_links').style.height = middlerow - 360 + 'px';
    document.getElementById('colM').style.height = middlerow + 'px'; 
}

function setHeight3() {
    // alert('setHeight3()');
    var middlerow = document.getElementById('middlerow').offsetHeight;
    document.getElementById('copy').style.height = middlerow - 71 + 'px';
    document.getElementById('rhsvid').style.height = middlerow - 31 + 'px';
    document.getElementById('sidenav_links').style.height = middlerow - 358 + 'px';
    document.getElementById('colM').style.height = middlerow + 'px';
}

function setHeight4() {
    // alert('setHeight4()');
    var middlerow = document.getElementById('middlerow').offsetHeight;
    document.getElementById('copy3').style.height = middlerow - 68 + 'px';
    document.getElementById('sidenav_links').style.height = middlerow - 427 + 'px';
    document.getElementById('colM').style.height = middlerow + 'px';  
}