function makeFace() {
        if (document.getElementById) {
                var fergieHair = document.getElementById("fergieHair");
                var fergieEyes = document.getElementById("fergieEyes");
                var fergieMouth = document.getElementById("fergieMouth");
                
                var randNum = Math.floor( Math.random() * hair.length );
                fergieHair.src = hair[randNum].src;
        
                var randNum = Math.floor( Math.random() * eyes.length );
                fergieEyes.src = eyes[randNum].src;
                
                var randNum = Math.floor( Math.random() * mouth.length );
                fergieMouth.src = mouth[randNum].src;
        }
}

function changeHair(thisChoice) {
        if (document.getElementById) {
                var fergieHair = document.getElementById("fergieHair");
                fergieHair.src = hair[Number(thisChoice)].src;
        }
}

function changeEyes(thisChoice) {
        if (document.getElementById) {
                var fergieEyes = document.getElementById("fergieEyes");
                fergieEyes.src = eyes[Number(thisChoice)].src;
        }
}

function changeMouth(thisChoice) {
        if (document.getElementById) {
                var fergieMouth = document.getElementById("fergieMouth");
                fergieMouth.src = mouth[Number(thisChoice)].src;
        }
}