function popupphoto(filename)
{
	popupphotowindow = window.open('../_mod/popup_photo.php?file='+filename, 'popupphotowindow', 'width=820, height=700, status=no, resizable=no, scrollbars=yes');
}

function showscrollers()
{
	fillup();
}

function mystifyString(inputString, mystKey)
{
	var outputString	= "";
	
	for (ix = 0; ix < inputString.length; ix++)
	{
		outputString += String.fromCharCode(mystKey ^ inputString.charCodeAt(ix));
	}
	
	return outputString;
}

function writeMailLink(mystifiedEmail, linkClass)
{
	vanillaEmail	= mystifyString(mystifiedEmail, 23);
	
	document.write('<a class="' + linkClass + '" href="mailto:' + vanillaEmail + '">' + vanillaEmail + '</a>');
}

function zekerWeten(type)
{
	switch (type)
	{
		case "pass":
			var zeker=confirm("Weet u zeker dat u het wachtwoord wilt wijzigen? (oude wachtwoord vervalt)");
			break;
		case "groep":
			var zeker=confirm("Weet u zeker dat u deze groep wilt verwijderen? Alle eventueel eronder hangende groepen zullen ook verwijderd worden! (deze actie is niet omkeerbaar)");
			break;
		case "gebruikersgroep":
			var zeker=confirm("Weet u zeker dat u deze gebruikersgroep wilt verwijderen? Alle eraan gekoppelde gebruikers zullen ook verwijderd worden! (deze actie is niet omkeerbaar)");
			break;
		default:
			var zeker=confirm("Weet u zeker dat u dit item wilt verwijderen?");
	}
	return zeker;
}

function trim(inputString)
{
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input.
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { // Check for spaces at the beginning of the string
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { // Check for spaces at the end of the string
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
   }
   return retValue; // Return the trimmed string back to the user
}