function ref(object) {
    if (document.getElementById) {
        return document.getElementById(object);
    } else if (document.all) {
        return eval('document.all.' + object);
    } else {
        return false;
    }
}

function show(object) {
    object = ref(object);
    if( object.style.display == 'none' ) {
        object.style.display = '';
    } else {
        object.style.display = 'none';
    }
}

function changebgColor(object, color) {
	object = ref(object);
	object.bgColor = color;
}

//Select Category
function selectCategory(formName) {
	window.open("http://tyh.idv.tw/selCategory.php?origForm="+formName, 'chooser', "toolbar=no,menubar=no,scrollbars=yes,width=600,height=400");
}