function chkoid(obj1){
  var dataString = "0123456789-"
  var w;
  var s;
  w = "";
	for(var i=0;i<obj1.value.length;i++){
	  s = obj1.value.substring(i,i+1);
	  if(dataString.indexOf(s)>=0){
		  w += s;
		}
	}
	obj1.value = w;
}

function chkoid1(obj1){
  var dataString = "0123456789"
  var w;
  var s;
  w = "";
	for(var i=0;i<obj1.value.length;i++){
	  s = obj1.value.substring(i,i+1);
	  if(dataString.indexOf(s)>=0){
		  w += s;
		}
	}
	obj1.value = w;
}

function chkoid2(obj1){
  var dataString = "0123456789."
  var w;
  var s;
  w = "";
	for(var i=0;i<obj1.value.length;i++){
	  s = obj1.value.substring(i,i+1);
	  if(dataString.indexOf(s)>=0){
		  w += s;
		}
	}
	obj1.value = w;
}

function chkoidd(obj1){
  var dataString = "0123456789/"
  var w;
  var s;
  w = "";
	for(var i=0;i<obj1.value.length;i++){
	  s = obj1.value.substring(i,i+1);
	  if(dataString.indexOf(s)>=0){
		  w += s;
		}
	}
	obj1.value = w;
}

function chkchinese(obj1){
  var dataString = "0123456789`~!@#$%^&*()_+-=QWERTYUIOP{}|qwertyuiop[]\\ASDFGHJKL:\x22asdfghjkl;\x27ZXCVBNM<>?zxcvbnm,./"
  var w;
  var s;
  w = "";
	for(var i=0;i<obj1.value.length;i++){
	  s = obj1.value.substring(i,i+1);
	  if(dataString.indexOf(s)<0){
		  w += s;
		}
	}
	obj1.value = w;
}

function chkenglish(obj1){
  var dataString = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
  var w;
  var s;
  w = "";
	for(var i=0;i<obj1.value.length;i++){
	  s = obj1.value.substring(i,i+1);
	  if(dataString.indexOf(s)>=0){
		  w += s.toUpperCase();
		}
	}
	obj1.value = w;
}

function isEmail(mail) {
	mail = mail.toLowerCase();
	
	patten=/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$/;
	if(!patten.test(mail)){
		return false;
		}
	return true;
}

function gotopage(pages){
  document.forms[0].PAGE.value = pages;
  document.forms[0].submit();
}

function showorders(ss1,ss2){
  document.forms[0].S1.value = ss1;
  document.forms[0].S2.value = ss2;
  document.forms[0].submit();
}

function showlines(str1){
  var errmsg = "";
  if (str1.length == 0){
    errmsg += "請輸入每頁幾筆資料\n"
  }else{
    if (isNaN(str1) == true){
      errmsg += "每頁幾筆資料只能為(1~9)數字模式\n"
    }else{
      if (str1 <= 0){
        errmsg += "每頁幾筆資料不能為0\n"  
      }
    }
  }
  if (errmsg.length == 0){
    document.forms[0].PAGELINES.value = str1;
    document.forms[0].submit();
  }else{
    alert(errmsg);
  }
}

function ByOpenWindow(FN,SN,w,h){
    window.open(FN,SN,"width=" + w + ",height=" + h + ",top=" + ((window.screen.height - h) / 2) + ",left=" + ((window.screen.width - w) / 2) + ",fullscreen=no,channelmode=no,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no","replace");
}


var NOWDOWN;
function addtother(obj1,obj2){
  for(var i=0;i<obj1.length;i++){
    if (obj1[i].selected==true){
      var oOption = document.createElement("OPTION");
			oOption.text = obj1.options[i].text;
			oOption.value = obj1.options[i].value;
			obj2.options[obj2.length] = oOption;
			obj1.options[i]=null;
			i=i-1
    }
  }
}
function selectall(obj1){
  for(var i=0;i<obj1.length;i++){
    obj1[i].selected=true;
  }
}

function checklogindata(){
  var errmsg = '';
  if (document.forms[0].T1.value.length==0){
    errmsg += '請填寫EMAIL\n';
  }else{
    if (isEmail(document.forms[0].T1.value)==false){
      errmsg += 'EMAIL格式錯誤\n';
    }
  }
  if (document.forms[0].T2.value.length==0){
    errmsg += '請填寫密碼\n';
  }
  if (errmsg.length == 0){
    document.forms[0].ckda.value='LOGIN';
    document.forms[0].submit();
  }else{
    alert(errmsg);
  }
}
function checkdata1(sw){
  switch (sw) {
    case 1:
      checklogindata();
      break;
    case 2:
      checkdata();
      break;
    case 3:
      break;
    case 4:
      break;
    default :
      break;
  }
  
}
function dokeydown(event,sw){
  if (event.keyCode == 13){
    checkdata1(sw);			
  }
}            

function ISDATE(sy,sm,sd){
  var tsy = parseInt(sy);
  var tsm = parseInt(sm);
  var tsd = parseInt(sd);
  if (isNaN(tsy) == false && isNaN(tsm) == false && isNaN(tsd) == false){
	  if (tsm==1 || tsm==3 || tsm==5 || tsm==7 || tsm==8 || tsm==10 || tsm==12){
	    if (tsd > 31 || tsd <= 0) {return false}else{return true}
	  }else if (tsm==2){
	    if (((tsy % 4 == 0) && tsy % 100 != 0) || tsy % 400 == 0){
	      if (tsd > 29 || tsd <= 0) {return false}else{return true}
	    }else{
	      if (tsd > 28 || tsd <= 0) {return false}else{return true}
	    }
	  }else{
	    if (tsd > 30 || tsd <= 0) {return false}else{return true}
	  }
	}else{
	  return false;
	}
}