if (document.images) {
            img1on = new Image(); 
            img1on.src = "../music/images/stylebutton1on.gif";   
            img1off = new Image(); 
            img1off.src = "../music/images/stylebutton1off.gif";
            img2on = new Image(); 
            img2on.src = "../music/images/stylebutton2on.gif";   
            img2off = new Image(); 
            img2off.src = "../music/images/stylebutton2off.gif";  
            img3on = new Image(); 
            img3on.src = "../music/images/stylebutton3on.gif";   
            img3off = new Image(); 
            img3off.src = "../music/images/stylebutton3off.gif";
            img4on = new Image(); 
            img4on.src = "../music/images/stylebutton4on.gif";   
            img4off = new Image(); 
            img4off.src = "../music/images/stylebutton4off.gif";
            img5on = new Image();
            img5on.src = "../music/images/spinningon.gif";
            img5off = new Image();
            img5off.src = "../music/images/spinningoff.gif";

        }
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}

function chgImgsSec() {
if (document.images) {
for (var i=0; i<chgImgsSec.arguments.length; i+=2) {
document[chgImgsSec.arguments[i]].src = chgImgsSec.arguments[i+1];
}
}
}
function chgImgsSecLang() {
if (document.images) {
for (var i=0; i<chgImgsSecLang.arguments.length; i+=2) {
document[chgImgsSecLang.arguments[i]].src = '../../images/' + chgImgsSecLang.arguments[i+1];
}
}
}

function chgImgs() {
if (document.images) {
for (var i=0; i<chgImgs.arguments.length; i+=2) {
document[chgImgs.arguments[i]].src = '../../images/' + chgImgs.arguments[i+1];
}
}
}