/* Author: 

*/

  var defaultEmptyOK = false
  var whitespace = " \t\n\r";
  var iEmail = "This field must be a valid email address. Please Try Again."
  var iDay = "This field must be a day number between 1 and 31.  Please reenter it now."
	var iMonth = "This field must be a month number between 1 and 12.  Please reenter it now."
	var iYear = "This field must be a 4 digit year number.  Please reenter it now."
	var iDatePrefix = "The Day, Month, and Year for "
	var iDateSuffix = " do not form a valid date.  Please reenter them now."
	var iInteger = "This field must be a valid number."
	
	function makeArray(n) {
	//*** BUG: If I put this line in, I get two error messages:
	//(1) Window.length can't be set by assignment
	//(2) daysInMonth has no property indexed by 4
	//If I leave it out, the code works fine.
	//   this.length = n;
		var o = {};
	   for (var i = 1; i <= n; i++) {
	      o[this[i]] = 0;
	   } 
	   return o;
	}

	var daysInMonth = makeArray(12);
	daysInMonth[1] = 31;
	daysInMonth[2] = 29;   // must programmatically check this
	daysInMonth[3] = 31;
	daysInMonth[4] = 30;
	daysInMonth[5] = 31;
	daysInMonth[6] = 30;
	daysInMonth[7] = 31;
	daysInMonth[8] = 31;
	daysInMonth[9] = 30;
	daysInMonth[10] = 31;
	daysInMonth[11] = 30;
	daysInMonth[12] = 31;
	
	function isInteger (s)

	{   var i;
	
	    if (isEmpty(s)) 
	       if (isInteger.arguments.length == 1) return defaultEmptyOK;
	       else return (isInteger.arguments[1] == true);
	
	    // Search through string's characters one by one
	    // until we find a non-numeric character.
	    // When we do, return false; if we don't, return true.
	
	    for (i = 0; i < s.length; i++)
	    {   
	        // Check that current character is number.
	        var c = s.charAt(i);
	
	        if (!isDigit(c)) return false;
	    }
	
	    // All characters are numbers.
	    return true;
	}
	function isDigit (c)
	{   return ((c >= "0") && (c <= "9"))
	}
	
	function warnInvalid (theField, s)
	{   theField.focus();
	    alert(s);
	    return false;
	}
	
	function isWhitespace (s)

	{   var i;
	
	    // Is s empty?
	    if (isEmpty(s)) return true;
	
	    // Search through string's characters one by one
	    // until we find a non-whitespace character.
	    // When we do, return false; if we don't, return true.
	
	    for (i = 0; i < s.length; i++)
	    {   
	        // Check that current character isn't whitespace.
	        var c = s.charAt(i);
	
	        if (whitespace.indexOf(c) == -1) return false;
	    }
	
	    // All characters are whitespace.
	    return true;
	}
	
	function isEmpty(s)
	{   return ((s == null) || (s.length == 0))
	}
	
	function isSignedInteger (s)

	{   if (isEmpty(s)) 
	       if (isSignedInteger.arguments.length == 1) return defaultEmptyOK;
	       else return (isSignedInteger.arguments[1] == true);
	
	    else {
	        var startPos = 0;
	        var secondArg = defaultEmptyOK;
	
	        if (isSignedInteger.arguments.length > 1)
	            secondArg = isSignedInteger.arguments[1];
	
	        // skip leading + or -
	        if ( (s.charAt(0) == "-") || (s.charAt(0) == "+") )
	           startPos = 1;    
	        return (isInteger(s.substring(startPos, s.length), secondArg))
	    }
	}
	function isIntegerInRange (s, a, b)
	{   if (isEmpty(s)) 
	       if (isIntegerInRange.arguments.length == 1) return defaultEmptyOK;
	       else return (isIntegerInRange.arguments[1] == true);
	
	    // Catch non-integer strings to avoid creating a NaN below,
	    // which isn't available on JavaScript 1.0 for Windows.
	    if (!isInteger(s, false)) return false;
	
	    // Now, explicitly change the type to integer via parseInt
	    // so that the comparison code below will work both on 
	    // JavaScript 1.2 (which typechecks in equality comparisons)
	    // and JavaScript 1.1 and before (which doesn't).
	    var num = parseInt (s);
	    return ((num >= a) && (num <= b));
	}
	
	function isNonnegativeInteger (s)
	{   var secondArg = defaultEmptyOK;
	
	    if (isNonnegativeInteger.arguments.length > 1)
	        secondArg = isNonnegativeInteger.arguments[1];
	
	    // The next line is a bit byzantine.  What it means is:
	    // a) s must be a signed integer, AND
	    // b) one of the following must be true:
	    //    i)  s is empty and we are supposed to return true for
	    //        empty strings
	    //    ii) this is a number >= 0
	
	    return (isSignedInteger(s, secondArg)
	         && ( (isEmpty(s) && secondArg)  || (parseInt (s) >= 0) ) );
	}

  function isEmail (s)
	{   if (isEmpty(s)) 
	       if (isEmail.arguments.length == 1) return defaultEmptyOK;
	       else return (isEmail.arguments[1] == true);
	   
	    // is s whitespace?
	    if (isWhitespace(s)) return false;
	    
	    // there must be >= 1 character before @, so we
	    // start looking at character position 1 
	    // (i.e. second character)
	    var i = 1;
	    var sLength = s.length;
	
	    // look for @
	    while ((i < sLength) && (s.charAt(i) != "@"))
	    { i++
	    }
	
	    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
	    else i += 2;
	
	    // look for .
	    while ((i < sLength) && (s.charAt(i) != "."))
	    { i++
	    }
	
	    // there must be at least one character after the .
	    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
	    else return true;
	}
  	function checkEmail (theField, emptyOK)
		{   if (checkEmail.arguments.length == 1) emptyOK = defaultEmptyOK;
		    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
		    else if (!isEmail(theField.value, false)) 
		       return warnInvalid (theField, iEmail);
		    else return true;
		}
		function isYear (s)
		{   if (isEmpty(s)) 
		       if (isYear.arguments.length == 1) return defaultEmptyOK;
		       else return (isYear.arguments[1] == true);
		    if (!isNonnegativeInteger(s)) return false;
		    return ((s.length == 2) || (s.length == 4));
		}
		function isMonth (s)
		{   if (isEmpty(s)) 
		       if (isMonth.arguments.length == 1) return defaultEmptyOK;
		       else return (isMonth.arguments[1] == true);
		    return isIntegerInRange (s, 1, 12);
		}
		function isDay (s)
		{   if (isEmpty(s)) 
		       if (isDay.arguments.length == 1) return defaultEmptyOK;
		       else return (isDay.arguments[1] == true);   
		    return isIntegerInRange (s, 1, 31);
		}
		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 isDate (year, month, day)
		{   // catch invalid years (not 2- or 4-digit) and invalid months and days.
		    if (! (isYear(year, false) && isMonth(month, false) && isDay(day, false))) return false;
		
		    // Explicitly change type to integer to make code work in both
		    // JavaScript 1.1 and JavaScript 1.2.
		    var intYear = parseInt(year);
		    var intMonth = parseInt(month);
		    var intDay = parseInt(day);
		
		    // catch invalid days, except for February
		    if (intDay > daysInMonth[intMonth]) return false; 
		
		    if ((intMonth == 2) && (intDay > daysInFebruary(intYear))) return false;
		
		    return true;
		}
		function checkDate (yearField, monthField, dayField, labelString, OKtoOmitDay)
		{   // Next line is needed on NN3 to avoid "undefined is not a number" error
		    // in equality comparison below.
		    if (checkDate.arguments.length == 4) OKtoOmitDay = false;
		    if (!isYear(yearField.value)) return warnInvalid (yearField, iYear);
		    if (!isMonth(monthField.value)) return warnInvalid (monthField, iMonth);
		    if ( (OKtoOmitDay == true) && isEmpty(dayField.value) ) return true;
		    else if (!isDay(dayField.value)) 
		       return warnInvalid (dayField, iDay);
		    if (isDate (yearField.value, monthField.value, dayField.value))
		       return true;
		    alert (iDatePrefix + labelString + iDateSuffix)
		    return false
		}
		
  function validateThis() {

	var lForm = document.forms.dixieForm;
	
	if(!checkEmail(lForm.email, false)) {return false;}		
	
/* 	if(!checkDate(lForm.year, lForm.month, lForm.day, "Birth Date", false)) {return false;} */
	
	if(lForm.country.value==''){
		alert ("Country is required field. Please try again.");
		lForm.country.focus();
		return false;
	}
		
	return true;
	
	}
	
	$(document).ready(function(){
		//Examples of how to assign the ColorBox event to elements
		$(".tracks").colorbox({		
			width:"600", 
			height:"auto", 
			inline:true, 
			title:false,
			href:"#track-list"
		});
	});
