function checkChina(str)
{
  var i,j
  for (i=0; i<str.length; i++)
  { 
   j=str.charCodeAt(i);
   if (j<128) return false;
  }
  return true;
}

function CutSpace(string) 
{
 var temp = "";
 string = '' + string;
 splitstring = string.split(" ");
 for(i = 0; i < splitstring.length; i++) temp += splitstring[i];
 return temp;
}

function checkdate(sDate)
{
  var dateRegExp = /\d{4}-\d{1,2}-\d{1,2}/gi;
  var strDate = sDate;
  
  if (strDate.search(dateRegExp) == -1) {
    return false;
  }
  return true;
}

function checkpost(sDate)
{
  var dateRegExp = /\d{6}/gi;
  var strDate = sDate;
  
  if (strDate.search(dateRegExp) == -1) {
    return false;
  }
  return true;
}

function checknumber(data)
{
  var datastr = data;
  if (datastr.search(/\D/gi) != -1) return false;
  if (datastr.search(/\S/gi) == -1) return false;
  return true;
}

function checkemail(email)
{
  var semail = email;
  var myRegExp = /[a-z0-9](([_\.a-z0-9]|-)*)@(([_a-z0-9]|-)+)((\.([_a-z0-9]|-)+)+)/gi;
  var answerind = semail.search(myRegExp);
  var answerarr = semail.match(myRegExp);
  var arremail = new String("");
  if (answerind == 0 && answerarr[0].length == semail.length) return true;
  return false;
}

function checkchar(str)
{
  var myStrExp = /([_\.a-z0-9]|-)+/gi;
  var answerind = str.search(myStrExp);
  var answerarr = str.match(myStrExp);
  if (answerind == 0 && answerarr[0].length == str.length) return true;
  return false;
}