var focuserror=false;

function illegalValue(fieldName,cell) {
  setErrorStatus(cell,false);
  return fieldName+" est un champ obligatoire!\n";

}
function setErrorStatus(cell,isArray) {
    if (isArray) {
        for (i=0;i<cell.length;i++) {
            changeBgCell(cell[i],"ff8888");
        }
        if (!focuserror && cell[0].focus) {
            cell[0].focus();
            focuserror=true;
        }
    } else {
        changeBgCell(cell,"ff8888");
        if (!focuserror && cell.focus) {
          cell.focus();
          focuserror=true;
        }
    }
}

function resetStatus(cell) {
  changeBgCell(cell,"ffffff");
}

function changeBgCell(cell,c) {
  if (cell.length) {
    if (cell[0].style) {
      for (i=0;i<cell.length;i++) {
        cell[i].style.background="#"+c;
      }
    }
  } else {
    if (cell.style) {
      cell.style.background="#"+c;
    }
  }
}

function isFilled(cell) {
  return (cell.value!="");
}

function isCollectionFilled(v) {
  filled=false;
  if (v.length) {
    for (i=0;i<v.length;i++) {
      if (v[i].checked) {
        filled=true;
        break;
      }
    }
    return filled;
  } else {
    return v.checked;
  }
}

function checkemail(fieldName,cell) {
  if (!isFilled(cell)) return "";
  v=cell.value;
  sepIdx=v.indexOf('@');
  if (sepIdx==-1 || sepIdx<1 || sepIdx>(v.length-2)) {
    setErrorStatus(cell);  
    if (!focuserror) {
        if (cell.focus) cell.focus();
        focuserror=true;
    }
    return fieldName+" ne respecte pas le format d'une adresse email!\n";
  }
  if (v.indexOf(' ')!=-1) {
    setErrorStatus(cell);  
    if (!focuserror) {
        if (cell.focus) cell.focus();
        focuserror=true;
    }
    return fieldName+" contient des caractères illégaux!\n";
  }
  return "";
}

function checkinteger(fieldName,cell) {
  var i=0;
  if (!isFilled(cell)) return "";
  v=cell.value;
  for (i=0;i<v.length;i++) {
    c=v.charAt(i);
    if (c<'0' || c>'9') {
      setErrorStatus(cell);
      if (!focuserror) {
        if (cell.focus) cell.focus();
        focuserror=true;
      }
      return fieldName+" ne doit contenir que des chiffres!\n";
    }
  }
  return "";
}

function checkdouble(fieldName,cell) {
  var i=0;
  if (!isFilled(cell)) return "";
  v=cell.value;
  v=v.replace("'","");
  v=v.replace(",",".");
  for (i=0;i<v.length;i++) {
    c=v.charAt(i);
    if (c!='.' && (c<'0' || c>'9')) {
      setErrorStatus(cell);
      if (!focuserror) {
        if (cell.focus) cell.focus();
        focuserror=true;
      }
      return fieldName+" ne doit contenir que des chiffres ou '.'!\n";
    }
  }
  return "";
}