//主檢驗函數
function inquire_check() {
	obj = document.getElementById('name');
	value = obj.value;
	value = trim(value);
	if(!value.length) {
		alert("Please input Name!!");
		obj.focus();
		return false;
	}

	obj = document.getElementById('email');
	value = obj.value;
	value = trim(value);
	if(email_check(value)==false) {
		obj.focus();
		return false;
	}

	obj = document.getElementById('message');
	value = obj.value;
	value = trim(value);
	if(value=="") {
		alert("Please input Message!!");
		obj.focus();
		return false;
	}
	return true;
}

//檢查是否不為英文
    function isnoeng(str1) {
    var str2 = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
    for (i=0 ; i< str1.length ; i++ )
    {
      if (str2.indexOf(str1.substring(i,i+1))!=-1)
	    return false;   //只要有一個字元是半形英文就傳回false                     
    }
    return true;
  }