/* Validation for triming an space*/
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;
}
/* Validation for contact no */
function NumCheck(id,evt)
{ 
	var k=(evt.which)? evt.which : evt.keyCode; 
	if ((k >=40 && k <=41)||(k >=48 && k <=57) || (k==9)  || (k =127))
	{		
		if(id.length > 12){return false;}
  		return true;  		
	}
	else{return false;}	
}
/* Validation for numbers only */
function TelCheck(evt) 
{
	var k=(evt.which)? evt.which : evt.keyCode; 
	return (k > 31 && (k < 43) || (k>57)) ? false : true;		
}
/* Validation for Alphabets & space only */
function AlphaCheck(id,evt)
{
	var k=(evt.which)? evt.which : evt.keyCode; 
	if(id.length > 0)
	 {
	   return ((k >=65 && k <=90)||(k >=97 && k <=122)||(k >=32 && k <33))	? true : false;	
	 }
	 else
	 {
	    if(k >=32 && k <33) 
	    return false;
	 }
}
/* Validation for Alphabets,numbers & space only */
function AlphaNumCheck(evt)
{
	var k=(evt.which)? evt.which : evt.keyCode; 
	return ((k >=48 && k <=57)||(k >=65 && k <=90)||(k >=97 && k <=122)||(k >=32 && k <33))	? true : false;	
}
/* Validation for Floating numbers only */
function ChkFNum(evt)
{	
	var k=(evt.which)? evt.which : evt.keyCode; 
	return (k ==46 ||(k >=48 && k <=57) || (k==9) ) ? true : false;	
}
/* Validation for numbers only */
function ChkNum(evt)
{	
	var k=(evt.which)? evt.which : evt.keyCode; 
	return (k >=48 && k <=57) ? true : false;	
}
function ChkNumnew(evt)
{	
   // alert(evt);
	var k=(evt.which)? evt.which : evt.keyCode; 
	return ((k >=48 && k <=57) || (k == 9) || (k =127)) ? true : false;	
}
function AlphaChecknew(id,evt)
{
	var k=(evt.which)? evt.which : evt.keyCode; 
	if(id.length > 0)
	 {
	   return ((k >=65 && k <=90)||(k >=97 && k <=122)||(k >=32 && k <33) || (k >=48 && k <=57) || (k =127)) ? true : false;	
	 }
	 else
	 {
	    if(k >=32 && k <33) 
	    return false;
	 }
}
function ChkNumDate(evt)
{	
	var k=(evt.which)? evt.which : evt.keyCode; 
	return ((k >=47 && k <=57) || (k==9) || (k == 127))  ? true : false;	
}
function AmtValidation(evt)
{
  var k=(evt.which)? evt.which : evt.keyCode; 
  return ((k >=48 && k <=57) || (k==9) || (k == 127)) ? true : false;	
}
function SellscripAmt(evt)
{
  var k=(evt.which)? evt.which : evt.keyCode; 
  return ((k >=48 && k <=57) || (k==9) || (k == 127) || (k == 46)) ? true : false;	
}
/* ----- functions for DATE format ----- */
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isDates(dtStr,no)
{
    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 year")
        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 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 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 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 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;
}

/* ----- functions for DATE format ends ----- */