if (document.images) {
image1on=new Image(); image1on.src="../buttons/commission02.gif";
image2on=new Image(); image2on.src="../buttons/why02.gif";
image3on=new Image(); image3on.src="../buttons/locations02.gif";
image4on=new Image(); image4on.src="../buttons/guide02.gif";
image5on=new Image(); image5on.src="../buttons/news02.gif";
image6on=new Image(); image6on.src="../buttons/contact02.gif";
image7on=new Image(); image7on.src="../buttons/help02.gif";
image8on=new Image(); image8on.src="../buttons/menu02.gif";
image9on=new Image(); image9on.src="../buttons/skip02.gif";
image10on=new Image(); image10on.src="../buttons/back02.gif";

image1off=new Image(); image1off.src="../buttons/commission01.gif";
image2off=new Image(); image2off.src="../buttons/why01.gif";
image3off=new Image(); image3off.src="../buttons/locations01.gif";
image4off=new Image(); image4off.src="../buttons/guide01.gif";
image5off=new Image(); image5off.src="../buttons/news01.gif";
image6off=new Image(); image6off.src="../buttons/contact01.gif";
image7off=new Image(); image7off.src="../buttons/help01.gif";
image8off=new Image(); image8off.src="../buttons/menu01.gif";
image9off=new Image(); image9off.src="../buttons/skip01.gif";
image10off=new Image(); image10off.src="../buttons/back01.gif";
}

function imageOn(image_name) {        if (document.images) {
            document[image_name].src = eval(image_name + "on.src");
        }}
                        
function imageOff(image_name) {        if (document.images) {
            document[image_name].src = eval(image_name + "off.src");
        }}