// JavaScript Validate Date


$(function() {
	
	//fix alignment for Firefox
	if( jQuery.browser.mozilla ) {
		$( 'form label' ).css( "display", "-moz-inline-box" );
	}

	//field focus styles
	$("input[type='text'], input[type='password'], textarea").addClass( "box" );
	$("input[type='text'], input[type='password'], textarea").focus(function(){ $(this).addClass( "focus" ); });
	$("input[type='text'], input[type='password'], textarea").blur(function(){  $(this).removeClass( "focus" );  });
	$("input[type!='hidden'][type!='submit']:first").focus();
	
	//add max word count validator method
	$.validator.addMethod( "maxWords", function(value, element, params) { 
		return worldCount(value) <= params; 
	}, String.format("Your entry must contain {0} words or less.") );
	
	//add min word count validator method
	$.validator.addMethod( "minWords", function(value, element, params) { 
		return worldCount(value) > params; 
	}, String.format("Your entry must contain more than {0} words.") );
	
	//add real date validator method
	$.validator.addMethod( "realDate", function(value) {
		return isDate( String($('#birthmonth').attr('value')) + "/" + String($('#birthday').attr('value')) + "/" + String($('#birthyear').attr('value')) );
	}, "Please enter a valid date." );
	
	//popup window
	$("a.popup").attr("title","View in Pop-up window");
	$("a.popup").click(function () { 
	  launchWindow($(this).attr("href"),850,500);
	  return false;
	});

});

//popup window
function launchWindow( sURL, Width, Height ) {
	var WinLeft = (screen.width - Width)/2;
	var WinTop = (screen.height - Height)/2;
	var oWindow = window.open( sURL, 'apply', ('width=' + Width + ', height=' + Height + ', resizable=yes, scrollbars=yes, menubar=no, status=yes, top=' + WinTop + ', left=' + WinLeft ));
	//setTimeout('oWindow.focus();',250);
}

//Word count function
function worldCount(string) {
	var char_count = string.length;
	var fullStr = string + " ";
	var initial_whitespace_rExp = /^[^A-Za-z0-9]+/gi;
	var left_trimmedStr = fullStr.replace(initial_whitespace_rExp, "");
	var non_alphanumerics_rExp = rExp = /[^A-Za-z0-9]+/gi;
	var cleanedStr = left_trimmedStr.replace(non_alphanumerics_rExp, " ");
	var splitString = cleanedStr.split(" ");
	var word_count = splitString.length -1;
	if (fullStr.length <2) { word_count = 0; }
	return word_count;
}


/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var maxYear = new Date().getFullYear();
var minYear = new Date().getFullYear() - 120;  //max age 120? :)

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 stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

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(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	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 (pos1==-1 || pos2==-1){
		//alert("The date format should be : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		//alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		//alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		//alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		//alert("Please enter a valid date")
		return false
	}
return true
}