// JScript File

/**
 * 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 minYear=1900;
var maxYear=2100;

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
}

function ValidateDate(strDate)
{ 
    if( IsDateNull(strDate))
        return true;
    else
    {
        if (isDate(strDate)==false)
        {		
	        return false;
        }
        return true;
    }
 }
 
 function IsDateNull(strDate)
 {
    if( trim(strDate) == "" )
    {
        return true;
    }
    return false;
 }
 
function ValidateDate1(sender,args)
{
   
    var id = document.getElementById( dateField1 );
    
    if( ValidateDate(id.value))
        args.IsValid=true;
    else
        args.IsValid=false;
}

function ValidateDate1IsNull(sender,args)
{
    var id = document.getElementById( dateField1 );
    
    if(IsDateNull(id.value) )
        args.IsValid=false;
    else
        args.IsValid=true;
}

function ValidateDate2(sender,args)
{
    var id = document.getElementById( dateField2 );
    
    if( ValidateDate(id.value))
        args.IsValid=true;
    else
        args.IsValid=false;
}

function ValidateDate2IsNull(sender,args)
{
    var id = document.getElementById( dateField2 );
    
    if(IsDateNull(id.value) )
        args.IsValid=false;
    else
        args.IsValid=true;
}

function ValidateDate3(sender,args)
{
    var id = document.getElementById( dateField3 );
    
    if( ValidateDate(id.value))
        args.IsValid=true;
    else
        args.IsValid=false;
}

function ValidateDate3IsNull(sender,args)
{
    var id = document.getElementById( dateField3 );
    
    if(IsDateNull(id.value) )
        args.IsValid=false;
    else
        args.IsValid=true;
}

function ValidateDate4(sender,args)
{
    var id = document.getElementById( dateField3 );
    
    if( ValidateDate(id.value))
        args.IsValid=true;
    else
        args.IsValid=false;
}
function ValidateDate5(sender,args)
{
    var id = document.getElementById( dateField5 );
    
    if( ValidateDate(id.value))
        args.IsValid=true;
    else
        args.IsValid=false;
}
function ValidateDate6(sender,args)
{
    var id = document.getElementById( dateField6 );
    
    if( ValidateDate(id.value))
        args.IsValid=true;
    else
        args.IsValid=false;
}
function ValidateDate7(sender,args)
{
    var id = document.getElementById( dateField7 );
    
    if( ValidateDate(id.value))
        args.IsValid=true;
    else
        args.IsValid=false;
}
function ValidateDate8(sender,args)
{
    var id = document.getElementById( dateField8 );
    
    if( ValidateDate(id.value))
        args.IsValid=true;
    else
        args.IsValid=false;
}

function ValidateDate4IsNull(sender,args)
{
    var id = document.getElementById( dateField4 );
    
    if(IsDateNull(id.value) )
        args.IsValid=false;
    else
        args.IsValid=true;
}

function trim(sString) 
{
    while(sString.substring(0,1) == ' ')
    {
        sString = sString.substring(1, sString.length);
    }
    while (sString.substring(sString.length-1, sString.length) == ' ')
    {
        sString = sString.substring(0,sString.length-1);
    }
    return sString;
}

//Compares two dates
function CompareDates(strFromDate, strToDate)
{
    if( IsDateNull( strFromDate ) )
        return true;
        
    if( IsDateNull( strToDate ) )
        return true;
    
    if( !ValidateDate( strFromDate ) )
        return true;   
    
    if( !ValidateDate( strToDate ) )
        return true;
        
    var startDateYear = strFromDate.substring( 6, 10 );
    var startDateMonth = strFromDate.substring( 3, 5  );
    var startDateDay = strFromDate.substring( 0, 2 );
    
    var endDateYear = strToDate.substring( 6, 10 );
    var endDateMonth = strToDate.substring( 3, 5  );
    var endDateDay = strToDate.substring( 0, 2 );
      
    if( new Date( endDateYear, endDateMonth-1, endDateDay ) < new Date( startDateYear, startDateMonth-1, startDateDay ) )
    {
        return false;
    }
    return true;
}

//Validate through custom validator
function CompareDateFields(sender,args)
{
    var sdateField1 = document.getElementById( dateField1 );
    var sdateField2 = document.getElementById( dateField2 );
    
    var strFromDate = sdateField1.value;
    var strToDate = sdateField2.value;
    
    if( CompareDates(strFromDate,strToDate) )
        args.IsValid=true;
    else
        args.IsValid=false;
}

//Checks whether a string passed is valid integer or not
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 compareInt(a, b) 
{ 
    return parseInt(a) - parseInt(b); 
}

function ValidateDateOnPageLoad()
{
    ValidateAddStartingDate();
    ValidateAddEndingDate();
}

function ValidateAddStartingDate()
 {
    day = document.getElementById("ctl00_phContent_ctl00_drpAddStarDay").selectedIndex;
	dayId = document.getElementById("ctl00_phContent_ctl00_drpAddStarDay");
	month = document.getElementById("ctl00_phContent_ctl00_drpAddStartMonth").selectedIndex;
	obj = document.getElementById("ctl00_phContent_ctl00_drpAddStarDay");
	Check(month, day, obj, dayId)
 }
 
 function ValidateAddEndingDate()
 {
    day = document.getElementById("ctl00_phContent_ctl00_drpAddEndDay").selectedIndex;
	dayId = document.getElementById("ctl00_phContent_ctl00_drpAddEndDay");
	month = document.getElementById("ctl00_phContent_ctl00_drpAddEndMonth").selectedIndex;
	obj = document.getElementById("ctl00_phContent_ctl00_drpAddEndDay");
	Check(month, day, obj, dayId)
 }

 function ValidateEndingDate()
 {
    day = document.getElementById("ctl00_phContent_ctl00_drpEndingDay").selectedIndex;
	dayId = document.getElementById("ctl00_phContent_ctl00_drpEndingDay");
	month = document.getElementById("ctl00_phContent_ctl00_drpEndingMonth").selectedIndex;
	obj = document.getElementById("ctl00_phContent_ctl00_drpEndingDay");
	Check(month, day, obj, dayId)
 }
 

function ValidateStartingDate()
{
	day = document.getElementById("ctl00_phContent_ctl00_drpStartingDay").selectedIndex;
	dayId = document.getElementById("ctl00_phContent_ctl00_drpStartingDay");
	month = document.getElementById("ctl00_phContent_ctl00_drpStartingMonth").selectedIndex;
	obj = document.getElementById("ctl00_phContent_ctl00_drpStartingDay");
	Check(month, day, obj, dayId)
} 

function Check(month, day, obj, dayId)
{
	addItems();
	
        if(month == 2)// && day > 29)
        {
	        obj.options[31] = null;
	        obj.options[30] = null;
	        if(day > 29)
	        {
	            dayId.selectedIndex = 0;
	        }
        }
	    if(month == 4 || month == 6 || month == 9 || month == 11)
	    {
		    obj.options[31] = null
		    if( day > 30)
		    {
		        dayId.selectedIndex = 0;
		    }
	    }
}

function addItems()
{
	if(obj.options[29] ==  null)
	{
	var opt2 = document.createElement("option");
		   opt2.text = "29";
		   opt2.value = "29";
	dayId.options.add(opt2);       
	}

	if(obj.options[30] ==  null)
	{
	var opt1 = document.createElement("option");
		   opt1.text = "30";
		   opt1.value = "30";
	dayId.options.add(opt1);   
	}

	if(obj.options[31] ==  null)
	{
		var opt = document.createElement("option");
		   opt.text = "31";
		   opt.value = "31";
	dayId.options.add(opt);    
	}
}
function checkTextAreaMaxLength(textBox,e, length)
{ 
        var mLen = textBox["MaxLength"];
       
        if(null==mLen)
            mLen=length;
        
        var maxLength = parseInt(mLen);
        if(!checkSpecialKeys(e))
        {
         if(textBox.value.length > maxLength-1)
         {
            if(window.event)//IE
              e.returnValue = false;
            else//Firefox
                e.preventDefault();
         }
    }   
}
function checkSpecialKeys(e)
{
    if(e.keyCode !=8 && e.keyCode!=46 && e.keyCode!=37 && e.keyCode!=38 && e.keyCode!=39 && e.keyCode!=40)
        return false;
    else
        return true;
}