function Trim(sString) 
        {
            while (sString.substring(sString.length-1, sString.length) == ' ') 
            {
                sString = sString.substring(0,sString.length-1); 
            }
            return sString;  
        }
        function CheckSubmit() 
        {
	        if (Trim(document.form1.name.value) == '') 
	        {
	            alert("請輸入 \"姓名\" 。"); document.form1.name.focus(); return false;
	        }
	        if (Trim(document.form1.tel.value) == '') 
	        {
	            alert("請輸入 \"電話\" 。"); document.form1.tel.focus(); return false; 
	        }
	        if (Trim(document.form1.securitycode.value) == '') 
	        {
	            alert("請輸入 \"驗證碼\" 。"); document.form1.securitycode.focus(); return false; 
	        }
	        if (document.form1.email.value.indexOf("@") == -1 || document.form1.email.value.indexOf(".") == -1) 
	        {
                alert("請檢查您的 \"電子信箱\" 是否正確。"); 
	            document.form1.email.focus(); 
	            return false;
	        }
		    document.form1.submit(); 
		}
        function ClearValue()
        {
	        document.form1.name.value = '';
	        document.form1.tel.value = '';
	        document.form1.email.value = '';
	        document.form1.address.value = '';
	        document.form1.securitycode.value = '';
	        document.form1.memo.value = '';
        }