// Form Guard
// NetEgypt.com modified Script(s)

var reInt=/^\d+$/;
var reSignedInt=/^(\+|-)?\d+$/;
var reFloat=/^\d+(\.\d+)?$/;
var reSignedFloat=/^(\+|-)?\d+(\.\d+)?$/;
var reChar=/^[\w\-]+$/;

function rpChar(f) {
  var df=f;

  df=df.replace(/\\/g, '\\\\');
  df=df.replace(/\//g, '\\\/');
  df=df.replace(/\[/g, '\\\[');
  df=df.replace(/\]/g, '\\\]');
  df=df.replace(/\(/g, '\\\(');
  df=df.replace(/\)/g, '\\\)');
  df=df.replace(/\{/g, '\\\{');
  df=df.replace(/\}/g, '\\\}');
  df=df.replace(/\</g, '\\\<');
  df=df.replace(/\>/g, '\\\>');
  df=df.replace(/\|/g, '\\\|');
  df=df.replace(/\*/g, '\\\*');
  df=df.replace(/\?/g, '\\\?');
  df=df.replace(/\+/g, '\\\+');
  df=df.replace(/\^/g, '\\\^');
  df=df.replace(/\$/g, '\\\$');

  return df;
}

function reDate(f) {
  var df=rpChar(f);

  df=df.replace(/dd/gi, '\\d\\d');
  df=df.replace(/mm/gi, '\\d\\d');
  df=df.replace(/yyyy/gi, '\\d\\d\\d\\d');

  return new RegExp('^'+df+'$');
}

function goodChar(field, msg) {
  return _checkIt(reChar, field, msg);
}

function reCharNM(n,m) {
  return new RegExp("\^[\\w\\-]{"+n+","+m+"}\$");
}

function reNumberN(n,mode) {
  return new RegExp("\^"+(mode!=0?"(\\+\|-)?":"")+"\\d{1,"+n+"}\$");
}

function reNumberN2(n,mode) {
  return new RegExp("\^"+(mode!=0?"(\\+\|-)?":"")+"\\d{"+n+"}\$");
}

function reNumberNM(n,m,mode) {
  return new RegExp("\^"+(mode!=0?"(\\+\|-)?":"")+"\\d{1,"+n+"}(\\.\\d{1,"+m+"})?\$");
}

function reNumberNM2(n,m,mode) {
  return new RegExp("\^"+(mode!=0?"(\\+\|-)?":"")+"\\d{"+n+"}\\.\\d{"+m+"}\$");
}

function _checkIt(re, field, msg) {
  if (!re.test(field.value)) {
    alert(msg);

    field.select();
    field.focus();

    return false;
  }

  return true;
}

function goodDate(df, field, msg) {
  if (_checkIt(reDate(df), field, msg)) {
    var di=field.value;
    var y4=df.search(/yyyy/i), y=di.substring(y4, y4+4)-0;
    var m2=df.search(/mm/i), m=di.substring(m2, m2+2)-1;
    var d2=df.search(/dd/i), d=di.substring(d2, d2+2)-0;

    var dd=new Date(y, m, d);
    if (y==dd.getFullYear() && m==dd.getMonth() && d==dd.getDate()) {
      return true;
    }
    else {
      alert(msg);

      field.select();
      field.focus();
    }
  }

  return false;
}

function goodInt(field, msg) {
  return _checkIt(reInt, field, msg);
}

function goodFloat(field, msg) {
  return _checkIt(reFloat, field, msg);
}

function _rangeIt(field, r1, r2, msg) {
  if (field.value>=r1 && field.value<=r2) {
    return true;
  }
  else {
    alert(msg);

    field.select();
    field.focus();

    return false;
  }
}

function _dd(n) {
  return (n<10)?"0"+n:""+n;
}

function _getOffset(n) {
  var d=new Date();
  if (n!=0) {
    d.setTime(d.getTime()+n*86400000);
  }
  return d.getFullYear()+""+_dd(d.getMonth()+1)+""+_dd(d.getDate())+"";
}

function _stringIt(df, d) {
  var y4=df.search(/yyyy/i), m2=df.search(/mm/i), d2=df.search(/dd/i);
  return d.substring(y4, y4+4)+d.substring(m2, m2+2)+d.substring(d2, d2+2);
}