/***************************************************************

*

*  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 = "Dies Felder müssen ausgefüllt werden:";

			}

			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));

}