/***************************************************************
*
*  Universal validate-form
*
*  Copyright notice
*
*  (c) 1998-2000 Kasper Skårhøj
*  All rights reserved
*
*  This script is part of the standard PHP-code library provided by
*  Kasper Skårhøj, kasper@typo3.com
*
*  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)        {
        if (document[theFormname] && theFieldlist)        {
                var index=1;
                var theField = split(theFieldlist, ",", index);
                var msg="";
                while (theField) {
                        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;
                                }
                                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));
}