function findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function swapImage() { //v3.0
  var i,j=0,x,a=swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function chkNumeric(objName,minval,maxval,comma,period,hyphen) {
	// only allow 0-9 be entered, plus any values passed
	// (can be in any order, and don't have to be comma, period, or hyphen)
	// if all numbers allow commas, periods, hyphens or whatever,
	// just hard code it here and take out the passed parameters
	var checkOK = "0123456789" + comma + period + hyphen;
	var checkStr = objName;
	var allValid = true;
	var decPoints = 0;
	var allNum = "";
	
	for (i = 0;  i < checkStr.value.length;  i++)
	{
	ch = checkStr.value.charAt(i);
	for (j = 0;  j < checkOK.length;  j++)
	if (ch == checkOK.charAt(j))
	break;
	if (j == checkOK.length)
	{
	allValid = false;
	break;
	}
	if (ch != ",")
	allNum += ch;
	}
	if (!allValid)
	{	
	//alertsay = "Please enter only these values \""
	//alertsay = alertsay + checkOK + "\" in the \"" + checkStr.name + "\" field."
	//alert(alertsay);
	return (false);
}

// set the minimum and maximum
var chkVal = allNum;
var prsVal = parseInt(allNum);
if (chkVal != "" && !(prsVal >= minval && prsVal <= maxval))
{
//alertsay = "Please enter a value greater than or "
//alertsay = alertsay + "equal to \"" + minval + "\" and less than or "
//alertsay = alertsay + "equal to \"" + maxval + "\" in the \"" + checkStr.name + "\" field."
//alert(alertsay);
return (false);
}
}

function checkdate(field){	
	var checkstr = "0123456789";
	var DateField = field;
	var Datevalue = "";
	var DateTemp = "";
	var seperator = "/";
	var day;
	var month;
	var year;
	var leap = 0;
	var err = 0;
	var i;
   err = 0;
   DateValue = DateField.value;
	if (DateValue == "") {  return true;
	}
   /* Delete all chars except 0..9 */
   for (i = 0; i < DateValue.length; i++) {
	  if (checkstr.indexOf(DateValue.substr(i,1)) >= 0) {
	     DateTemp = DateTemp + DateValue.substr(i,1);
	  }
   }
   DateValue = DateTemp;
   /* Always change date to 8 digits - string*/
   /* if year is entered as 2-digit / always assume 20xx */
   if ((DateValue.length == 6) && (DateValue.substr(4,2) <= 20)) {
      DateValue = DateValue.substr(0,4) + '20' + DateValue.substr(4,2); }
   if ((DateValue.length == 6) && (DateValue.substr(4,2) > 20)) {
      DateValue = DateValue.substr(0,4) + '19' + DateValue.substr(4,2); }
   if (DateValue.length != 8) {
      err = 19;}
   /* year is wrong if year < 1900 */
   year = DateValue.substr(4,4);
   if (year < 1900) {
      err = 20;
   }
   /* Validation of month*/
   month = DateValue.substr(2,2);
   if ((month < 1) || (month > 12)) {
      err = 21;
   }
   /* Validation of day*/
   day = DateValue.substr(0,2);
   if (day < 1) {
     err = 22;
   }
   /* Validation leap-year / february / day */
   if ((year % 4 == 0) || (year % 100 == 0) || (year % 400 == 0)) {
      leap = 1;
   }
   if ((month == 2) && (leap == 1) && (day > 29)) {
      err = 23;
   }
   if ((month == 2) && (leap != 1) && (day > 28)) {
      err = 24;
   }
   /* Validation of other months */
   if ((day > 31) && ((month == "01") || (month == "03") || (month == "05") || (month == "07") || (month == "08") || (month == "10") || (month == "12"))) {
      err = 25;
   }
   if ((day > 30) && ((month == "04") || (month == "06") || (month == "09") || (month == "11"))) {
      err = 26;
   }
   /* if 00 ist entered, no error, deleting the entry */
   if ((day == 0) && (month == 0) && (year == 00)) {
      err = 27; day = ""; month = ""; year = ""; seperator = "";
   }
   /* if no error, write the completed date to Input-Field (e.g. 13.12.2001) */
   if (err == 0) {
      DateField.value = day + seperator + month + seperator + year;
   }
   /* Error-message if err != 0 */
   else {
		alert("Please enter a correct date in the format DD/MM/YYYY!");
		DateField.select();
		DateField.focus();
		return false;
   }
}

function toggleSection(id) {
	oSection = document.getElementById('section' + id);
	if (oSection.style.display == 'block') {
		oSection.style.display = 'none';
		swapImage('toggle'+ id +'','','/images/layout/plus.png',1);
	}
	else if (oSection.style.display == 'none') {
		oSection.style.display = 'block';
		swapImage('toggle'+ id +'','','/images/layout/minus.png',1);
	}
}