function ImageChange(imageName, imagePath){
        document.images[imageName].src = imagePath;
}

function IC(imageName1, imagePath1, imageName2, imagePath2, imageName3, imagePath3, imageName4, imagePath4){
        Path1 = 'gg_common/images/top/' + imagePath1;
        Path2 = 'gg_common/images/top/' + imagePath2;
        Path3 = 'gg_common/images/top/' + imagePath3;
        Path4 = 'gg_common/images/top/' + imagePath4;
        document.images[imageName1].src = Path1;
        document.images[imageName2].src = Path2;
        document.images[imageName3].src = Path3;
        document.images[imageName4].src = Path4;
}