netscape3 = (parseInt(navigator.appVersion) >= 3);

if (netscape3) {

    a = new Array('b_01', 'b_02', 'b_03', 'b_04', 'b_05', 'b_06', 'b_07', 'b_08', 'b_09', 'b_10');

    for (i = 0; i < a.length; i++) {

        eval(a[i] + '= new Image()');

        eval(a[i] + '.src = "../images/' + a[i] + '.gif"');

        eval(a[i] + 'a= new Image()');

        eval(a[i] + 'a.src = "../images/' + a[i] + 'a.gif"');

    }

}



function changeImg(name, image)

{

    if (netscape3) document[name].src = eval(image + ".src");

}