/***************************************************************
*
*  Universal validate-form
*
* $Id: jsfunc.validateform.js,v 1.4 2004/04/19 15:25:53 typo3 Exp $
*
*
*
*  Copyright notice
*
*  (c) 1998-2003 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)    {
    if (document[theFormname] && 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;
            }

                // 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 (document[theFormname][theField])    {
                var fObj = document[theFormname][theField];
                var type=fObj.type;
                if (!fObj.type)    {
                    type="radio";
                }
                var value="";
                switch(type)    {
                    case "text":
                    case "textarea":
                        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 l=fObj.length;
                        for (a=0; a<l;a++)    {
                            if (fObj[a].checked)    {
                                value = fObj[a].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-Adresse ungültig!')+')';
                        }
                    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 = "Folgende Felder müssen ausgefüllt sein:";
            }
            theBadMess+="\n";
            alert(theBadMess+msg);
            return false;
        } else {
            var theGoodMess = unescape(goodMess);
            if (theGoodMess)    {
                alert(theGoodMess);
            }
             document[theFormname]["subject"].value="Mail via Kontaktformular: "+document[theFormname]["betreff"].value
            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));
}