// ------------------------- show calendar script -------------------------
var ControlToSet;
var theForm = document.theForm;
var CalWidth=270;
var StartYear = "";
var EndYear = "";
var FormatAs;
var NN4 = (navigator.appName.indexOf("Netscape")>=0 && !document.getElementById)? true : false;
var NN6 = (document.getElementById && navigator.appName.indexOf("Netscape")>=0 )? true: false;
var TOP;
var LEFT;

if(NN4)document.captureEvents(Event.MOUSEMOVE);

document.onmousemove = LogPosition;

function LogPosition(evt)
{
	if (NN4||NN6)
	{
		LEFT=evt.screenX;
		TOP=evt.screenY-10;
	}
	else
	{
		LEFT=event.screenX;
		TOP=event.screenY-10;
	}
}

function ShowCalendar(CONTROL, START_YEAR,END_YEAR, FORMAT){

	ControlToSet = eval(CONTROL);
	StartYear = START_YEAR;
	EndYear = END_YEAR;
	FormatAs = FORMAT;
	
	var strFeatures = "width=" + CalWidth + ",height=175" + ",left=" + LEFT + ",top=" + TOP;
	var CalWindow = window.open("../Candidate/Javascript/HTMLCalendar.cfm","Calendar", strFeatures)
	CalWindow.focus();
} //End Function
	
function SetDate(DATE){
	if(ControlToSet){
		ControlToSet.value = DATE; 
	}

	ControlToSet = null;
	StartYear = null;
	EndYear = null;
	FormatAs = null;
}
// ---------------------- end of show Calendar settings ----------------------

//Validate dd/mm/yyyy date format
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1910;
var maxYear=2200;

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 strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear

	if (dtStr.length < 10) {
		alert("The date format should be : dd/mm/yyyy");
		return false;
	}

	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 : dd/mm/yyyy")
		return false
	}

	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter/select a valid month")
		return false
	}

	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter/select 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/select a valid date")
		return false
	}
	return true
}

function isBlank(s)
{
	var c;

	for(var i=0;i<s.length;i++)
	{
		c = s.charAt(i);
		if ((c != ' ')&&(c != '\n')&&(c != '\t'))
			return false;
	}
	return true;
}

function isEmailAddr(EmailAddress) {
	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
	var returnval=emailfilter.test(EmailAddress);
	return returnval;
}

function ltrim(str) { 
	for(var k = 0; k < str.length && isWhitespace(str.charAt(k)); k++);
	return str.substring(k, str.length);
}

function rtrim(str) {
	for(var j=str.length-1; j>=0 && isWhitespace(str.charAt(j)) ; j--) ;
	return str.substring(0,j+1);
}

function trim(str) {
	return ltrim(rtrim(str));
}

function isWhitespace(charToCheck) {
	var whitespaceChars = " \t\n\r\f";
	return (whitespaceChars.indexOf(charToCheck) != -1);
}