function switchColor(whichColor,whichImg) {
    document.getElementById('homeMiddle').style.backgroundColor = whichColor;
    document.getElementById('homeMiddle').style.backgroundImage = "url(images/bgMiddle_" + whichImg + ".gif)";
    document.getElementById('title').style.backgroundImage = "url(images/title_" + whichImg + ".gif)";
}

function setFooter() {

    if(document.getElementById('contentText')) {
    
        textHeight = document.getElementById('contentText').offsetHeight;
        submenuHeight = document.getElementById('submenu').offsetHeight;
        centerHeight = document.getElementById('centerDiv').offsetHeight;
        contentHeight = textHeight - centerHeight;
        submenuHeight = submenuHeight + document.getElementById('bgFadeRight').offsetHeight;

        if(textHeight > submenuHeight) {
            document.getElementById('footer').style.top = centerHeight + contentHeight + 200 + 'px';
        } else {
            document.getElementById('footer').style.top = centerHeight + 297 + 'px';
        }    
        
     } else {
        textHeight = document.getElementById('homeContent').offsetHeight;
        document.getElementById('footer').style.top = textHeight + 769 + 'px';
     }
}