function switchImg(mainId,newSrc) {

    var main = document.getElementById(mainId);

    main.src = newSrc;

}

function ImageLoadFailed(imgObj,imgsize) {

    if(imgsize){

        imgObj.src = 'http://www.freedomautodepot.com/common/themes/default/images/unavailable.gif';	

    } else {

        imgObj.src = 'http://www.freedomautodepot.com/common/themes/default/images/unavailable-large.gif';	

    }

}