B1a=new Image(50,20);B1a.src="../pics/Common/B1a.gif";
B1b=new Image(50,20);B1b.src="../pics/Common/B1b.gif";
function chkInput() {
	with(document) {
		if (isEmpty(main.name.value)) {
			alert("請填寫您的稱呼。");
			fFocus(main.name);
		} else {
			if (!isEmail(main.email.value)) {
				alert("您填寫的電子郵件信箱可能有誤，請檢查。");
				fFocus(main.email);
			} else {
				if (isEmpty(main.content.value)) {
					alert("請填寫您的問題或建議。");
					fFocus(main.content);
				} else {
					main.content.value=clearHTMLTAG(main.content.value);
					main.submit();
				}
			}
		}
	}
}