function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
// ------------------------
Form1 = 'formmbt';// nazwa formularza glownego											  
											  //set todays date
Now = new Date();
NowDay = Now.getDate();
NowMonth = Now.getMonth();
NowYear = Now.getYear();
if (NowYear < 2000) NowYear += 1900; //for Netscape

//function for returning how many days there are in a month including leap years
function DaysInMonth(WhichMonth, WhichYear)
{
  var DaysInMonth = 31;
//  if (WhichMonth == "Apr" || WhichMonth == "Jun" || WhichMonth == "Sep" || WhichMonth == "Nov") DaysInMonth = 30;
//  if (WhichMonth == "Feb" && (WhichYear/4) != Math.floor(WhichYear/4))	DaysInMonth = 28;
//  if (WhichMonth == "Feb" && (WhichYear/4) == Math.floor(WhichYear/4))	DaysInMonth = 29;
  if (WhichMonth == 4 || WhichMonth == 6 || WhichMonth == 9 || WhichMonth == 11) DaysInMonth = 30;
  if (WhichMonth == 2 && (WhichYear/4) != Math.floor(WhichYear/4))	DaysInMonth = 28;
  if (WhichMonth == 2 && (WhichYear/4) == Math.floor(WhichYear/4))	DaysInMonth = 29;
  return DaysInMonth;
}

//function to change the available days in a months
function ChangeOptionDays(Which)
{

  eval("DaysObject = document."+Form1+"." + Which + "Day");
  eval("MonthObject = document."+Form1+"." + Which + "Month");
  eval("YearObject = document."+Form1+"." + Which + "Year");
								  //alert("document."+Form1+"." + Which + "Month");
  Month = MonthObject[MonthObject.selectedIndex].value;
  Year = YearObject[YearObject.selectedIndex].value;

  DaysForThisSelection = DaysInMonth(Month, Year);
  CurrentDaysInSelection = DaysObject.length;
  if (CurrentDaysInSelection > DaysForThisSelection)
  {
    for (i=0; i<(CurrentDaysInSelection-DaysForThisSelection); i++)
    {
      DaysObject.options[DaysObject.options.length - 1] = null
    }
  }
  if (DaysForThisSelection > CurrentDaysInSelection)
  {
    for (i=0; i<(DaysForThisSelection-CurrentDaysInSelection); i++)
    {
      NewOption = new Option(DaysObject.options.length + 1);
      DaysObject.add(NewOption);
    }
  }
    if (DaysObject.selectedIndex < 0) DaysObject.selectedIndex == 0;
}

//function to set options to today
function SetToToday(Which)
{
  DaysObject = eval("document."+Form1+"." + Which + "Day");
  MonthObject = eval("document."+Form1+"." + Which + "Month");
  YearObject = eval("document."+Form1+"." + Which + "Year");

  YearObject[4].selected = true;
  MonthObject[NowMonth].selected = true;

  ChangeOptionDays(Which);

  DaysObject[NowDay-1].selected = true;
}

//function to write option years plus x
function WriteYearOptions(y)
{
  line = "";
	//	  nyi = NowYear + i;
//	sy = 2003;
//  for (i=sy; i<=sy+4; i++)
	sy = 1960;
  for (i=sy; i<=sy+90; i++)
  {

    if ((i==y))
    {line += "<OPTION selected value='"+(i)+"'>";} 
	else 
	{line += "<OPTION value='"+i+"'>";}

    line += i;
  }
  return line;
}


function WriteMonthOptions(m)
{
  line = "";

//    if (i==m)
//    {line += "<OPTION selected>";} 
//	else 
//	{line += "<OPTION>";}
		 s='';
		s += "<OPTION value=1";
			if (m==1) {s+=" selected";}
		s += ">Jan";
		s += "<OPTION value=2";
			if (m==2) {s+=" selected";}
		s += ">Feb";
		s += "<OPTION value=3";
			if (m==3) {s+=" selected";}
		s += ">Mar";
		s += "<OPTION value=4";
			if (m==4) {s+=" selected";}
		s += ">Apr";
		s += "<OPTION value=5";
			if (m==5) {s+=" selected";}
		s += ">May";
		s += "<OPTION value=6";
			if (m==6) {s+=" selected";}
		s += ">Jun";
		s += "<OPTION value=7";
			if (m==7) {s+=" selected";}
		s += ">Jul";
		s += "<OPTION value=8";
			if (m==8) {s+=" selected";}
		s += ">Aug";
		s += "<OPTION value=9";
			if (m==9) {s+=" selected";}
		s += ">Sep";
		s += "<OPTION value=10";
			if (m==10) {s+=" selected";}
		s += ">Oct";
		s += "<OPTION value=11";
			if (m==11) {s+=" selected";}
		s += ">Nov";
		s += "<OPTION value=12";
			if (m==12) {s+=" selected";}
		s += ">Dec";

  return s;
}


function WriteDayOptions(d)
{
  line = "";
  for (i=1; i<=31; i++)
  {
    if (i==d)
    {line += "<OPTION selected value='"+i+"'>";} 
	else 
	{line += "<OPTION value='"+i+"'>";}
    line += i;
  }
  return line;
}

function rewritehiddenfield(ns, nh)
{
	m = 0;
	//if (!document."+Form1+".elements['"+ns+"Day'])
	{

		eval("m=document."+Form1+".elements['"+ns+"Month'].options[document."+Form1+"."+ns+"Month.selectedIndex].value")
		if (m==0)
		{
			SetToToday(ns);
		}
	}

	eval('document.'+Form1+'.'+'elements[\''+nh+'\'].value = document.'+Form1+'.'+ns+'Day.options[document.'+Form1+'.'+ns+'Day.selectedIndex].value+\'-\'+document.'+Form1+'.'+ns+'Month.options[document.'+Form1+'.'+ns+'Month.selectedIndex].value+\'-\'+document.'+Form1+'.'+ns+'Year.options[document.'+Form1+'.'+ns+'Year.selectedIndex].value');
}

function rewritehiddenfield_short(ns, nh)
{
	m = 0;
	//if (!document."+Form1+".elements['"+ns+"Day'])
	{

		eval("m=document."+Form1+".elements['"+ns+"Month'].options[document."+Form1+"."+ns+"Month.selectedIndex].value")
		if (m==0)
		{
			//SetToToday(ns);
		}
	}

	eval('document.'+Form1+'.'+'elements[\''+nh+'\'].value = \'1-\'+document.'+Form1+'.'+ns+'Month.options[document.'+Form1+'.'+ns+'Month.selectedIndex].value+\'-\'+document.'+Form1+'.'+ns+'Year.options[document.'+Form1+'.'+ns+'Year.selectedIndex].value');
}


function showdatafield(ns,nh,d,m,y)
{
s = ('<input type=hidden name="'+nh+'">');

s+=('<SELECT name="'+ns+'Day"  onchange="rewritehiddenfield(\''+ns+'\', \''+nh+'\')" class=boxes style="width: 39px">');
s+=(WriteDayOptions(d));
s+=('</SELECT>');
s+=('<SELECT name="'+ns+'Month" onchange="ChangeOptionDays(\''+ns+'\'); rewritehiddenfield(\''+ns+'\', \''+nh+'\')" class=boxes style="width: 54px">');
s+=(WriteMonthOptions(m));
s+=('</SELECT>');
s+=('<SELECT name="'+ns+'Year" onchange="ChangeOptionDays(\''+ns+'\'); rewritehiddenfield(\''+ns+'\', \''+nh+'\')" class=boxes style="width: 54px">');
s+=(WriteYearOptions(y));
s+=('</SELECT>');

   return s;
}

function showdatafield_short(ns,nh,d,m,y)
{
s = ('<input type=hidden name="'+nh+'">');
s += ('<input type=hidden name="'+ns+'Day" value=1>');
//s+=('<SELECT name="'+ns+'Day"  onchange="rewritehiddenfield(\''+ns+'\', \''+nh+'\')" class=boxes style="width: 35px">');
//s+=(WriteDayOptions(d));
//s+=('</SELECT>');
s+=('<SELECT name="'+ns+'Month" onchange="rewritehiddenfield_short(\''+ns+'\', \''+nh+'\')" class=boxes style="width: 54px">');
s+=(WriteMonthOptions(m));
s+=('</SELECT>');
s+=('<SELECT name="'+ns+'Year" onchange="rewritehiddenfield_short(\''+ns+'\', \''+nh+'\')" class=boxes style="width: 54px">');
s+=(WriteYearOptions(y));
s+=('</SELECT>');

   return s;
}

// ------------------------------------------- Form Field Validatio

function isEmailAddr(email)
{
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function validRequired(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "")
	{
		//alert('Please enter a value for the "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}
	
	return result;
}

function allDigits(str)
{
	return inValidCharSet(str,"0123456789");
}

function inValidCharSet(str,charset)
{
	var result = true;

	// Note: doesn't use regular expressions to avoid early Mac browser bugs	
	for (var i=0;i<str.length;i++)
		if (charset.indexOf(str.substr(i,1))<0)
		{
			result = false;
			break;
		}
	
	return result;
}

function validEmail(formField,fieldLabel,required)
{
	var result = true;
	
	if (required && !validRequired(formField,fieldLabel))
		result = false;

	if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
	{
		//alert("Please enter a complete email address in the form: yourname@yourdomain.com");
		formField.focus();
		result = false;
	}
   
  return result;

}

function validNum(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		if (!allDigits(formField.value))
 		{
 			//alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}


function validInt(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var num = parseInt(formField.value,10);
 		if (isNaN(num))
 		{
 			//alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}


function validDate(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var elems = formField.value.split("/");
 		
 		result = (elems.length == 3); // should be three components
 		
 		if (result)
 		{
 			var month = parseInt(elems[0],10);
  			var day = parseInt(elems[1],10);
 			var year = parseInt(elems[2],10);
			result = allDigits(elems[0]) && (month > 0) && (month < 13) &&
					 allDigits(elems[1]) && (day > 0) && (day < 32) &&
					 allDigits(elems[2]) && ((elems[2].length == 2) || (elems[2].length == 4));
 		}
 		
  		if (!result)
 		{
 			//alert('Please enter a date in the format MM/DD/YYYY for the "' + fieldLabel +'" field.');
			formField.focus();		
		}
	} 
	
	return result;
}

function testvalidateForm(theForm)
{
	// Customize these calls for your form

	// Start ------->
	if (!validRequired(theForm.fullname,"Name"))
		return false;

	if (!validEmail(theForm.email,"Email Address",true))
		return false;

	if (!validDate(theForm.available,"Date Available",true))
		return false;

	if (!validNum(theForm.yearsexperience,"Years Experience",true))
		return false;
	// <--------- End
	
	return true;
}
// -------------------------------------------------
function TrackCount(fieldObj,maxChars)
{
  //var countField = eval("fieldObj.form."+countFieldName);
  var diff = maxChars - fieldObj.value.length;

  // Need to check & enforce limit here also in case user pastes data
  if (diff < 0)
  {
    fieldObj.value = fieldObj.value.substring(0,maxChars);
    diff = maxChars - fieldObj.value.length;
  }
  //countField.value = diff;
  window.status = diff;
}

function LimitText(fieldObj,maxChars)
{
  var result = true;
  if (fieldObj.value.length >= maxChars)
    result = false;
  
  if (window.event)
    window.event.returnValue = result;
  return result;
}