// JavaScript Document
  var CheckData = /<|>|'|;|&|#|"|'/;
  var CheckPhone = /[^0-9-]/; 
  var CheckMail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/;
  //
function   Trim(m){   
  while((m.length>0)&&(m.charAt(0)==' '))   
  m   =   m.substring(1, m.length);   
  while((m.length>0)&&(m.charAt(m.length-1)==' '))   
  m = m.substring(0, m.length-1);   
  return m;   
  } 
////
function checkusername(username){
  var str=username;
  var Expression=/^(\w){4,10}$/;
  var objExp=new RegExp(Expression);
  if (objExp.test(str)==true){
     return true;
  }else{
     return false;
  }
}
////
function checkPass(password){
  var str=password;
  var Expression=/^[A-Za-z]{1}([A-Za-z0-9]|[._]){5,19}$/;
  var objExp=new RegExp(Expression);
  if (objExp.test(str)==true){
    return true;
  } else {
    return false;
  }
}
/////