// ==========================================================================
// Fuctions to mimic LTrim, RTrim, and Trim...

// Author          Aurélien Tisné	(CS)
// Date            03 avr. 2003 23:11:39
// Last Update     $Date$
// Version         $Revision$
// ==========================================================================

// --------------------------------------------------------------------------
// Remove leading blanks from our string.

// I               str - the string we want to LTrim
// Return          the input string without any leading whitespace

// Date            03 avr. 2003 23:12:13
// Author          Aurélien Tisné	(CS)
// --------------------------------------------------------------------------
function LTrim(str)
{
  var whitespace = new String(" \t\n\r");

  var s = new String(str);

  if (whitespace.indexOf(s.charAt(0)) != -1) {
    // We have a string with leading blank(s)...

    var j=0, i = s.length;

    // Iterate from the far left of string until we
    // don't have any more whitespace...
    while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
    j++;


    // Get the substring from the first non-whitespace
    // character to the end of the string...
    s = s.substring(j, i);
  }

  return s;
}

// --------------------------------------------------------------------------
// Remove trailing blanks from our string.

// I               str - the string we want to RTrim
// Return          the input string without any trailing whitespace

// Date            03 avr. 2003 23:13:50
// Author          Aurélien Tisné	(CS)
// --------------------------------------------------------------------------
function RTrim(str)
{
  // We don't want to trip JUST spaces, but also tabs,
  // line feeds, etc.  Add anything else you want to
  // "trim" here in Whitespace
  var whitespace = new String(" \t\n\r");

  var s = new String(str);

  if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
    // We have a string with trailing blank(s)...

    var i = s.length - 1;       // Get length of string

    // Iterate from the far right of string until we
    // don't have any more whitespace...
    while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
      i--;


    // Get the substring from the front of the string to
    // where the last non-whitespace character is...
    s = s.substring(0, i+1);
  }

  return s;
}


// --------------------------------------------------------------------------
// Remove trailing and leading blanks from our string.

// I               str - the string we want to Trim
// Return          the trimmed input string

// Date            03 avr. 2003 23:15:09
// Author          Aurélien Tisné	(CS)
// --------------------------------------------------------------------------
function Trim(str)
{
  return RTrim(LTrim(str));
}

// EOF

var msg_date = "";

function validateForms()
{
	var elementsForms;
	
	if (!document.getElementsByTagName) return false;
	elementsForms = document.getElementsByTagName("form"); 
	for (var intCounter = 0; intCounter < elementsForms.length; intCounter++)
	{ 
		return validateForm(elementsForms[intCounter]);
	} 
}

function validateForm(currentForm)
{
	var blnvalidate = true;
	var elementsInputs;
	var err_msg = "";
	var msg = "";
	var complete = true;
	
 	elementsInputs = currentForm.getElementsByTagName("input");
	for (var intCounter = 0; intCounter < elementsInputs.length; intCounter++)
	{
		if (elementsInputs[intCounter].className == "reqtext")
		{
			if (validateText(elementsInputs, intCounter))
			{
				blnvalidate = false;
 				complete = false;
				elementsInputs[intCounter].focus();
			}
		}
		else if (elementsInputs[intCounter].className == "reqemail")
 		{
 			if (validateEmail(elementsInputs, intCounter))
			{
 				blnvalidate = false;
 				msg = msg + "Please insert a valid email\n";
				elementsInputs[intCounter].focus();
			}
		}
		else if (elementsInputs[intCounter].className == "reqnum")
 		{	
			if (validateNumeric(elementsInputs, intCounter)) 
			{ 
			  blnvalidate = false;
			  msg = msg + 'Please enter only numbers\n';
			  elementsInputs[intCounter].focus(); 
			}
		}
		else if (elementsInputs[intCounter].className == "reqpassword")
 		{	
			if (validatePassword(elementsInputs, intCounter)) 
			{ 
			  blnvalidate = false;
			  msg = msg + 'Please insert six or more characters for password\n';
			  elementsInputs[intCounter].focus(); 
			}
		}
		else if (elementsInputs[intCounter].className == "reqdate")
 		{	
			var dt=document.form_reg.date
			var mt=document.form_reg.month
			var yr=document.form_reg.year
			if (isDate(dt,mt,yr)==false) 
			{ 
			  blnvalidate = false;
			  msg = msg + msg_date;
			}
		}
	}
	
	elementsSelects = currentForm.getElementsByTagName("select");
 
	for (var intCounter = 0; intCounter < elementsSelects.length; intCounter++)
	{
		if (elementsSelects[intCounter].className == "reqmenu")
 		{	
			if (validateDropDownMenu(elementsSelects, intCounter)) 
			{ 
			  blnvalidate = false;
			  msg = msg + 'Please make a selection from the drop-down menu\n';
			  elementsSelects[intCounter].focus(); 
			}
		}
	}
	
	elementsTextareas = currentForm.getElementsByTagName("textarea");
	for (var intCounter = 0; intCounter < elementsTextareas.length; intCounter++)
	{
		if (elementsTextareas[intCounter].className == "reqtext")
		{
			if (validateText(elementsTextareas, intCounter))
			{
				blnvalidate = false;
 				complete = false;
				elementsTextareas[intCounter].focus();
			}
		}
	}
	
	if (!complete)
		err_msg = 'Please fulfill all required fields\n';
	if (msg != "")
		err_msg = err_msg + msg;
	//if (!validateRadio(document.form_reg.sex))
	//	err_msg = err_msg + 'Please choose your sex\n';
	if (err_msg != "")
		alert (err_msg);
	return blnvalidate;
}

function validateEmail(elementsInputs, intCounter)
{
	var emailFilter=/^.+@.+\..{2,3}$/;
	if (validateText(elementsInputs, intCounter))
	{
		return true;
	}
	if (!emailFilter.test(elementsInputs[intCounter].value)) 
	{ 
		return true; 
	} 
	return false;
}
	
function validateText(elementsInputs, intCounter, strErrorMessage)
{
	if (Trim(elementsInputs[intCounter].value) == "")
	{
		return true;
	}
}

function validateNumeric(elementsInputs, intCounter)
{
	if (Trim(elementsInputs[intCounter].value) == "")
	{
		return true;
	}
	else if (!IsNumeric(elementsInputs[intCounter].value)) 
	{ 
		return true; 
	}
	return false;
}

function validatePassword(elementsInputs, intCounter)
{
	if (elementsInputs[intCounter].value.length < 6)
	{
		return true;
	}
}

function validateDropDownMenu(elementsSelects, intCounter)  
{
	if (elementsSelects[intCounter].selectedIndex==0) 
	{
		return true;
	}
}

function validateRadio(radio_name)
{
     var bIsOneChecked;
	 if (radio_name.getAttribute("type").toLowerCase() == "radio")
	 {
		if(radio_name.checked)
		{
		   bIsOneChecked = true;
		}
	 }
       if (!bIsOneChecked) 
      {
            return false;
       }
      else
      {
         return true;
      }
}

function IsNumeric(sText)
{
   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;   
}

function applyOnSubmitToForms()
{
	var elementsForms;
	
	if (!document.getElementsByTagName) return false;
	elementsForms = document.getElementsByTagName("form"); 
	for (var intCounter = 0; intCounter < elementsForms.length; intCounter++) 
	{ 
		elementsForms[intCounter].onsubmit = function ()
		{
			if (!validateForm(this))
			{
				return false;
			}
		}
	} 
}		
function addLoadEvent(func) 
{
 	var oldonload = window.onload;
	if (typeof window.onload != 'function') 
	{
		window.onload = func;
	} 
	else 
	{
		window.onload = function() 
		{
	      		oldonload();
	      		func();
	    	}
	}
}

/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
//var dtCh= "/";
function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(fday,fmonth,fyear){
	var minYear=1940;
	var maxYear=2000;
	var daysInMonth = DaysArray(12)
	var strDay = fday.value;
	var strMonth = fmonth.value;
	var strYr = fyear.value;
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (strMonth.length<1 || month<1 || month>12){
		msg_date = "Please enter a valid month\n"
		fmonth.focus()
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		msg_date =  "Please enter a valid day\n"
		fday.focus()
		return false
	}
	if (strYr.length != 4 || year==0 || year<minYear || year>maxYear || !isInteger(strYr)){
		msg_date = "Please enter a valid 4 digit year between "+minYear+" and "+maxYear+"\n"
		fyear.focus()
		return false
	}
return true
}

addLoadEvent(applyOnSubmitToForms);