function checkForm(obj){
    var errMsg = "";
   if ( obj.name.value== ""){
    	errMsg = errMsg + "nam is empty\n";
    }
   // if ( obj.cardid.value== ""){
   // 	errMsg = errMsg + "您沒有輸入身分證字號或護照號碼\n";
   // }
    if ( obj.tel.value== ""){
    	errMsg = errMsg + "Telephone is empty\n";
    }
    
   if (obj.email.value !=""){
   	strEmail = obj.email.value
   	var vAt = strEmail.indexOf("@")
   	var vDot = strEmail.indexOf(".")
   	 if(vAt == -1 || vDot == -1){errMsg = errMsg + "Email Error!!\n";}
   }else{
   	errMsg = errMsg + "Email is empty\n";
   }
   
       if ( obj.table.value== ""){
    	errMsg = errMsg + "Number of Tables is empty\n";
    }
           if ( obj.people.value== ""){
    	errMsg = errMsg + "Number of Guests is empty\n";
    }
 //  if ( obj.address.value== ""){
  // 	errMsg = errMsg + "您沒有輸入通訊地址\n";
//    }
 //  if ( obj.creditid.value== ""){
 //   	errMsg = errMsg + "您沒有輸入信用卡卡號\n";
  //  }
  	var startday=new Date(document.forms[0].year.value ,  document.forms[0].month.value-1, document.forms[0].day.value);
  	var Thedate=new Date( );
  	var today=new Date( Thedate.getFullYear(),Thedate.getMonth(),Thedate.getDate());
  	var twoday=new Date( Thedate.getFullYear(),Thedate.getMonth(),Thedate.getDate()+2);
	//if (Thedate.getTime() > startday.getTime() ){
		//errMsg = errMsg + " The Date is Over\n";
	//}
		if (twoday.getTime() > startday.getTime() ){
		errMsg = errMsg + "please order at 2 day before.\n";
	}
	
    if (errMsg == ""){
       //  alert("OK")
     obj.submit();
    } else {
       alert(errMsg);
    }   
    
        
}

function maxday(objA,objB,objC){
	var Montype=new Array(12)   //建立月份天數陣列
	Montype[0]=31
	Montype[1]=28
	Montype[2]=31
	Montype[3]=30
	Montype[4]=31
	Montype[5]=30
	Montype[6]=31
	Montype[7]=31
	Montype[8]=30
	Montype[9]=31
	Montype[10]=30
	Montype[11]=31
	var Thedate=new Date( );
	var x=objA.selectedIndex;
	var yy=objA.value;
	var mm=objB.selectedIndex;
	 if(yy%4==0||(yy%100==0 && yy%400==0)) {  //檢測是否為潤年
	 	Montype[1]=29   //如果是的話2月份的天數就要等於29天
 	}
 	for (i=1;i<=31;i++){
		objC.options.remove(0);	
	}
	for (i=1;i<=Montype[mm];i++){
		var newitem=document.createElement("OPTION");
		newitem.text=i;
		newitem.value=i;
		objC.options.add(newitem);	
	}
}

function initdate(){
	var todate=new Date( );
	document.forms[0].year.value=todate.getFullYear();	
	document.forms[0].month.value=todate.getMonth()+1
	document.forms[0].day.value=todate.getDate()

}