/***************************************************************
*
*  Universal validate-form
*
* $Id: jsfunc.validateform.js 2312 2007-05-01 17:15:10Z masi $
*
*  Copyright notice
*
*  (c) 1998-2007 Kasper Skaarhoj
*  All rights reserved
*
*  This script is part of the TYPO3 t3lib/ library provided by
*  Kasper Skaarhoj <kasper@typo3.com> together with TYPO3
*
*  Released under GNU/GPL (see license file in tslib/)
*
*  This script is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*  This copyright notice MUST APPEAR in all copies of this script
***************************************************************/


function validateForm(theFormname,theFieldlist,goodMess,badMess,emailMess)        {
        var formObject = document[theFormname];
        if (!formObject)        {
                formObject = document.getElementById(theFormname);
        }
        if (formObject && theFieldlist)        {
                var index=1;
                var theField = split(theFieldlist, ",", index);
                var msg="";
                var theEreg = '';
                var theEregMsg = '';
                var specialMode = '';

                while (theField) {
                        theEreg = '';
                        specialMode = '';

                        // Check special modes:
                        if (theField == '_EREG')        {        // EREG mode: _EREG,[error msg],[JS ereg],[fieldname],[field Label]
                                specialMode = theField;

                                index++;
                                theEregMsg = unescape(split(theFieldlist, ",", index));
                                index++;
                                theEreg = unescape(split(theFieldlist, ",", index));
                        } else if (theField == '_EMAIL')        {
                                specialMode = theField;
                        } else if (theField == '_TEL')        {
                                specialMode = theField;
                        }

                        // Get real field name if special mode has been set:
                        if (specialMode)        {
                                index++;
                                theField = split(theFieldlist, ",", index);
                        }

                        index++;
                        theLabel = unescape(split(theFieldlist, ",", index));
                        theField = unescape(theField);
                        if (formObject[theField])        {
                                var fObj = formObject[theField];
                                var type=fObj.type;
                                if (!fObj.type)        {
                                        type="radio";
                                }
                                var value="";
                                switch(type)        {
                                        case "text":
                                        case "textarea":
                                        case "password":
                                                value = fObj.value;
                                        break;
                                        case "select-one":
                                                if (fObj.selectedIndex>=0)        {
                                                        value = fObj.options[fObj.selectedIndex].value;
                                                }
                                        break;
                                        case "select-multiple":
                                                var l=fObj.length;
                                                for (a=0;a<l;a++)        {
                                                        if (fObj.options[a].selected)        {
                                                                 value+= fObj.options[a].value;
                                                        }
                                                }
                                        break;
                                        case "radio":
                                                var len=fObj.length;
                                                if (len)        {
                                                        for (a=0;a<len;a++)        {
                                                                if (fObj[a].checked)        {
                                                                        value = fObj[a].value;
                                                                }
                                                        }
                                                } else {
                                                        if (fObj.checked)        {
                                                                value = fObj.value;
                                                        }
                                                }
                                        break;
                                        default:
                                                value = 1;
                                }

                                switch(specialMode)        {
                                        case "_EMAIL":
                                                var theRegEx_notValid = new RegExp("(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)", "gi");
                                                var theRegEx_isValid = new RegExp("^.+\@[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})$","");
                                                if (!theRegEx_isValid.test(value))        {        // This part was supposed to be a part of the condition: " || theRegEx_notValid.test(value)" - but I couldn't make it work (Mozilla Firefox, linux) - Anyone knows why?
                                                        msg+="\n"+theLabel+' ('+(emailMess ? unescape(emailMess) : 'Email address not valid!')+')';
                                                }
                                        break;
                                        case "_TEL":
                                                phoneMess = unescape(PruefeZeichen(value, "0123456789 /-+()"));
                                                if (phoneMess.length>0) {
                                                        msg+="\n"+theLabel+' ('+(phoneMess ? unescape(phoneMess) : 'Phone number not valid!')+')';
                                                }
                                        break;
                                        case "_EREG":
                                                var theRegEx_isValid = new RegExp(theEreg,"");
                                                if (!theRegEx_isValid.test(value))        {
                                                        msg+="\n"+theLabel+' ('+theEregMsg+')';
                                                }
                                        break;
                                        default:
                                                if (!value)        {
                                                        msg+="\n"+theLabel;
                                                }
                                }
                        }
                        index++;
                        theField = split(theFieldlist, ",", index);
                }
                if (msg)        {
                        var theBadMess = unescape(badMess);
                        if (!theBadMess)        {
                                theBadMess = "You must fill in these fields:";
                        }
                        theBadMess+="\n";
                        alert(theBadMess+msg);
                        return false;
                } else {
                        var theGoodMess = unescape(goodMess);
                        if (theGoodMess)        {
                                alert(theGoodMess);
                        }
                        return true;
                }
        }
}
function split(theStr1, delim, index) {
        var theStr = ''+theStr1;
        var lengthOfDelim = delim.length;
        sPos = -lengthOfDelim;
        if (index<1) {index=1;}
        for (a=1; a<index; a++)        {
                sPos = theStr.indexOf(delim, sPos+lengthOfDelim);
                if (sPos==-1)        {return null;}
        }
        ePos = theStr.indexOf(delim, sPos+lengthOfDelim);
        if(ePos == -1)        {ePos = theStr.length;}
        return (theStr.substring(sPos+lengthOfDelim,ePos));
}

function PruefeZeichen(wert, ZugelasseneZeichen) {
  for (var pruefPos = 0; pruefPos < wert.length; pruefPos++) {
    if (ZugelasseneZeichen.indexOf(wert.charAt(pruefPos)) == -1) {
      ErrorMeldung = "Die Telefonnummer ist ung\xFCltig";
      return (ErrorMeldung);
    }

  }
  if (wert.length>1) {
      ErrorMeldung = "";
  }
  else {
      ErrorMeldung = 'Keine Angabe';
  }
  return (ErrorMeldung);
}