// JavaScript Document
var returnvalue = true;

function CheckAll(form) {
        returnvalue = true;
        Check_Item(form);
        Error_Message();
        if (returnvalue == true) { returnvalue = confirm("確定？(Are You Sure?)"); }
}

function Check_Item(form)
{
	errormsg="《 資料張貼錯誤 》\n\n";
        if (form.uname.value == "") { errormsg+="請輸入姓名！\n"; returnvalue = false; }              
        if (form.subject.value == "") { errormsg+="請輸入標題！\n"; returnvalue = false; }
        if (form.content.value == "") { errormsg+="請輸入內容！\n"; returnvalue = false; }
        if (form.email2.value == "" || form.email2.value.indexOf("@") == -1 || form.email2.value.indexOf(".") == -1) { errormsg+="E-Mail 填寫錯誤！\n"; returnvalue = false; }
        
}

function Error_Message()
{
   if (returnvalue == false)
      alert(errormsg);
}