/**
 * 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 strYear=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strDay=dtStr.substring(pos2+1)
	
	//dtStr = strYear + strMonthmy + strDay
	
	
	
	//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 : yyyy-mm-dd")
		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 test(x){
	
	
	dt = x.value
	
	if (isDate(dt)==false){
		
		return false
	}
    return true
 }

 function testYear(x){
 	dt = x.value
 	if (isYear(dt)==false){
		
		

		return false
	}
    return true
 }
 
 function isYear(dtStr){
	if (dtStr.length != 4 || dtStr==0 || dtStr<minYear || dtStr>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)

		return false;
	}	else{
		return true;	
	}
	
}


 function testYearMonth(x){
 	
 	dt = x.value
 	
 	if (isYearMonth(dt)==false){
		
		
		
		return false;
	}else{
    	return true;
	}
 }
 
 function testYearMonthNotReq(x){
 	
 	dt = x.value
 	if(dt == '')
 	{
 		return true;
 	}
 	else 
 	{
	 	if (isYearMonth(dt)==false){
			
			
			
			return false;
		}else{
	    	return true;
		}
 	}
 }

 
 function isYearMonth(dtStr){
 	
 	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	
	var strYear=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1)

	
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYear.charAt(0)=="0" && strYear.length>1) strYear=strYear.substring(1)
	}
	
	month=parseInt(strMonth)
	year=parseInt(strYear) 	
 	
	
	
	if (pos1==-1){
		alert("The date format should be : yyyy-mm")		
		return false;
	}
	if (strYear.length != 4 || strYear==0 || strYear<minYear || strYear>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false;
	}	
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false;
	} 
	
}

function checkEmail(x) {

	//alert('qqqq');
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.cv_frm.email.value)){
		return (true);
	}else{
		alert("Invalid E-mail Address! Please re-enter.")
		//cv_frm.email.focus();
		
		x.value = "";
		//alert('XXXX');
		///alert(cv_frm.email.value);
		return (false); 
	}	
} 

function salary(x){
	if(IsNumeric(x.value)){
		return (true);
	}else{
		
		
		x.value = "";
		alert('Please enter a valid number');
		return (false);
	}
}

function salaryNotRequired(x){
	if(x.value == '')
	{
		if(IsNumeric(x.value)){
			return (true);
		}else{
			
			
			x.value = "";
			alert('Please enter a valid number');
			return (false);
		}
	}
	else {
		return true;
	}
}


function salary2(x){
	if(IsNumeric(x.value)){
		return (true);
	}else{
		
		
		x.value = "";
		alert('Please enter a valid number');
		return (false);
	}
}

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;
   
   }
/**
 * 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 strYear=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strDay=dtStr.substring(pos2+1)
	
	//dtStr = strYear + strMonthmy + strDay
	
	
	
	//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 : yyyy-mm-dd")
		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 test(x){
	
	
	dt = x.value
	
	if (isDate(dt)==false){
		
		return false
	}
    return true
 }

 function testYear(x){
 	dt = x.value
 	if (isYear(dt)==false){
		
		

		return false
	}
    return true
 }
 
 function isYear(dtStr){
	if (dtStr.length != 4 || dtStr==0 || dtStr<minYear || dtStr>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)

		return false;
	}	else{
		return true;	
	}
	
}



 function isYearMonth(dtStr){
 	
 	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	
	var strYear=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1)

	
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYear.charAt(0)=="0" && strYear.length>1) strYear=strYear.substring(1)
	}
	
	month=parseInt(strMonth)
	year=parseInt(strYear) 	
 	
	
	
	if (pos1==-1){
		alert("The date format should be : yyyy-mm")		
		return false;
	}
	if (strYear.length != 4 || strYear==0 || strYear<minYear || strYear>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false;
	}	
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false;
	} 
	
}


function salary(x){
	if(IsNumeric(x.value)){
		return (true);
	}else{
		
		x.value = "";
		
		alert('Please enter a valid number');
		return (false);
	}
}


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;
   
   }