function onSubmit(form, btnName){
        form.buttonName.value=btnName;
        form.submit();
    }

    function initPicture(picField, num_pix) {
        var len = document.images.length;
        for (i = 0; i < len; i++) {
            var objImg = window.document.images[i];
            if (objImg.name == picField) {
                if (objImg.width > num_pix) {
                    objImg.width = num_pix;
                }
            }
        }
    }

    function initPicture2(picField, num_pix_width, num_pix_height) {
        var len = document.images.length;
        for (i = 0; i < len; i++) {
            var objImg = window.document.images[i];
            if (objImg.name == picField) {
                if (objImg.width > num_pix_width) {
                    objImg.width = num_pix_width;
                }
                if (objImg.height > num_pix_height) {
                    objImg.height = num_pix_height;
                }
            }
        }
    }