//======================================================================================================
// Username Check
function UsernameValid(Data1)
{
	while(''+Data1.value.charAt(0)==' ')
    {
         Data1.value=Data1.value.substring(1,Data1.value.length);
    }
    while(''+Data1.value.charAt(Data1.value.length-1)==' ')
    {
       Data1.value=Data1.value.substring(0,Data1.value.length-1);
    }
	
	var allValid = true;
   	if (Data1.value != "")
   	{
		var ch = "0123456789_-";
		var Str1 = Data1.value;
		ch1=Str1.charAt(0)
		for (j = 0;  j < ch.length;  j++)
		{
			if (ch1 == ch.charAt(j))
			{
			allValid = false;
			alert("Fisrt letter of the Username should be an Alphabet");
			Data1.focus();
			return (false);
			}
	   }
    }
	
	if (allvalid=true)
	{	
		if (Data1.value != "")
		{
			var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890_-";
			var checkStr = Data1.value;
			var allValid = true;
			for (i = 0;  i < checkStr.length;  i++)
			{
				ch = checkStr.charAt(i);
				for (j = 0;  j < checkOK.length;  j++)
				if (ch == checkOK.charAt(j))
				break;
				if (j == checkOK.length)
				{
					allValid = false;
					break;
				}
			}
			if (!allValid)
			{
				alert("Enter Only Alphanumeric Charactes  & Spl Characters -_");
				Data1.value="";
				Data1.focus();
				return (false);
			}
		}
	}
	return true;
}
//======================================================================================================

// Password	Check
function PasswordValid(Data1)
{
	while(''+Data1.value.charAt(0)==' ')
    {
         Data1.value=Data1.value.substring(1,Data1.value.length);
    }
    while(''+Data1.value.charAt(Data1.value.length-1)==' ')
    {
       Data1.value=Data1.value.substring(0,Data1.value.length-1);
    }
	
	var allValid = true;
   	if (Data1.value != "")
   	{
		var ch = "_-";
		var Str1 = Data1.value;
		ch1=Str1.charAt(0)
		for (j = 0;  j < ch.length;  j++)
		{
			if (ch1 == ch.charAt(j))
			{
			allValid = false;
			alert("Fisrt letter of the Password cannot be a spl character");
			Data1.focus();
			return (false);
			}
	   }
    }
	
	if (allvalid=true)
	{	
		if (Data1.value != "")
		{
			var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890_- ";
			var checkStr = Data1.value;
			var allValid = true;
			for (i = 0;  i < checkStr.length;  i++)
			{
				ch = checkStr.charAt(i);
				for (j = 0;  j < checkOK.length;  j++)
				if (ch == checkOK.charAt(j))
				break;
				if (j == checkOK.length)
				{
					allValid = false;
					break;
				}
			}
			if (!allValid)
			{
				alert("Enter Only Alphanumeric Charactes  & Spl Characters -_ ");
				Data1.value="";
				Data1.focus();
				return (false);
			}
		}
	}
	return true;
}
//======================================================================================================

//======================================================================================================
// Alpha Check

function AlphaValid(Data1)
{
	while(''+Data1.value.charAt(0)==' ')
    {
         Data1.value=Data1.value.substring(1,Data1.value.length);
    }
    while(''+Data1.value.charAt(Data1.value.length-1)==' ')
    {
       Data1.value=Data1.value.substring(0,Data1.value.length-1);
    }
	if (Data1.value != "")
	{
		var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz .,_-";
		var checkStr = Data1.value;
		var allValid = true;
		for (i = 0;  i < checkStr.length;  i++)
		{
			ch = checkStr.charAt(i);
			for (j = 0;  j < checkOK.length;  j++)
			if (ch == checkOK.charAt(j))
			break;
			if (j == checkOK.length)
			{
				allValid = false;
				break;
			}
		}
		if (!allValid)
		{
			alert("Enter Only Aphabets & Spl Characters .,-_");
			Data1.value="";
			Data1.focus();
			return (false);
		}
		
	}
	
	return true;
}
//======================================================================================================

//======================================================================================================
// Alpha Numeric Check
function AlphaNumValid(Data3)
{
	while(''+Data3.value.charAt(0)==' ')
    {
         Data3.value=Data3.value.substring(1,Data3.value.length);
    }
    while(''+Data3.value.charAt(Data3.value.length-1)==' ')
    {
       Data3.value=Data3.value.substring(0,Data3.value.length-1);
    }
	if (Data3.value != "")
	{
		var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 .,_-";
		var checkStr = Data3.value;
		var allValid = true;
		for (i = 0;  i < checkStr.length;  i++)
		{
			ch = checkStr.charAt(i);
			for (j = 0;  j < checkOK.length;  j++)
			if (ch == checkOK.charAt(j))
			break;
			if (j == checkOK.length)
			{
				allValid = false;
				break;
			}
		}
		if (!allValid)
		{
			alert("Enter Only Alphanumeric Characters & Spl Characters .,-_ ");
			Data3.value="";
			Data3.focus();
			return (false);
		}
		
	}
	
	return true;
}
//======================================================================================================

//======================================================================================================
// Number Check
function NumValid(Data2)
{
	while(''+Data2.value.charAt(0)==' ')
    {
         Data2.value=Data2.value.substring(1,Data2.value.length);
    }
    while(''+Data2.value.charAt(Data2.value.length-1)==' ')
    {
       Data2.value=Data2.value.substring(0,Data2.value.length-1);
    }
	if (Data2.value != "")
	{
		
		var checkOK = "1234567890";
		var checkStr = Data2.value;
		var allValid = true;
		for (i = 0;  i < checkStr.length;  i++)
		{
			ch = checkStr.charAt(i);
			for (j = 0;  j < checkOK.length;  j++)
			if (ch == checkOK.charAt(j))
			break;
			if (j == checkOK.length)
			{
				allValid = false;
				break;
			}
		}
		if (!allValid)
		{
			alert("Enter Only Numeric Values");
			Data2.value="";
			Data2.focus();
			return (false);
		}
		
	}
	return true;
}
//======================================================================================================

//======================================================================================================
// Double  Check
function DoubleValid(Data2)
{
	while(''+Data2.value.charAt(0)==' ')
    {
         Data2.value=Data2.value.substring(1,Data2.value.length);
    }
    while(''+Data2.value.charAt(Data2.value.length-1)==' ')
    {
       Data2.value=Data2.value.substring(0,Data2.value.length-1);
    }
	if (Data2.value != "")
	{
		
		var checkOK = "1234567890.";
		var checkStr = Data2.value;
		var allValid = true;
		for (i = 0;  i < checkStr.length;  i++)
		{
			ch = checkStr.charAt(i);
			for (j = 0;  j < checkOK.length;  j++)
			if (ch == checkOK.charAt(j))
			break;
			if (j == checkOK.length)
			{
				allValid = false;
				break;
			}
		}
		if (!allValid)
		{
			alert("Enter Only Decimals ");
			Data2.value="";
			Data2.focus();
			return (false);
		}
		
	}
	return true;
}
//======================================================================================================

//======================================================================================================
// Phone field Validation
function PhoneValid(Data2)
{
	while(''+Data2.value.charAt(0)==' ')
    {
         Data2.value=Data2.value.substring(1,Data2.value.length);
    }
    while(''+Data2.value.charAt(Data2.value.length-1)==' ')
    {
       Data2.value=Data2.value.substring(0,Data2.value.length-1);
    }
	if (Data2.value != "")
	{
		
		var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789- ";
		var checkStr = Data2.value;
		var allValid = true;
		for (i = 0;  i < checkStr.length;  i++)
		{
			ch = checkStr.charAt(i);
			for (j = 0;  j < checkOK.length;  j++)
			if (ch == checkOK.charAt(j))
			break;
			if (j == checkOK.length)
			{
				allValid = false;
				break;
			}
		}
		if (!allValid)
		{
			alert("Enter Only Numbers and Spl characters [Hyphen],[Space]");
			Data2.value="";
			Data2.focus();
			return (false);
		}
		
	}
	return true;
}
//======================================================================================================

//======================================================================================================
//URL Validation
function URLValid(Data4)
{
	while(''+Data4.value.charAt(0)==' ')
    {
         Data4.value=Data4.value.substring(1,Data4.value.length);
    }
    while(''+Data4.value.charAt(Data4.value.length-1)==' ')
    {
       Data4.value=Data4.value.substring(0,Data4.value.length-1);
    }
	if (Data4.value != "")
	{
		var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789,/?-_.: ";
		var checkStr = Data4.value;
		var allValid = true;
		for (i = 0;  i < checkStr.length;  i++)
		{
			ch = checkStr.charAt(i);
			for (j = 0;  j < checkOK.length;  j++)
			if (ch == checkOK.charAt(j))
			break;
			if (j == checkOK.length)
			{
				allValid = false;
				break;
			}
		}
		if (!allValid)
		{
			alert("Please Enter Alphanumeric Characters and Spl Characters , . ? / - _:");
			Data4.value="";
			Data4.focus();
			return (false);
		}
		
	}
	
	return true;
}
//======================================================================================================

//======================================================================================================
//Email Validation
function EmailValid(Emailval)
{
   while(''+Emailval.value.charAt(0)==' ')
   {
        Emailval.value=Emailval.value.substring(5,Emailval.value.length);
   }
   while(''+Emailval.value.charAt(Emailval.value.length-5)==' ')
   {
       Emailval.value=Emailval.value.substring(0,Emailval.value.length-5);
   }
   var allValid = true;
   if (Emailval.value != "")
   {
		var ch = "1234567890_-";
		var Str1 = Emailval.value;
		ch1=Str1.charAt(0)
		for (j = 0;  j < ch.length;  j++)
		{
			if (ch1 == ch.charAt(j))
			{
			allValid = false;
			alert("Fisrt letter of the Email should be an alphabet");
			Emailval.focus();
			return (false);
			}

		}
   }	
   if (allValid=true)
   {
	   if (Emailval.value != "")
	   {
			var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890_@.-";
			var checkStr = Emailval.value;
			for (i = 0;  i < checkStr.length;  i++)
			{
				ch = checkStr.charAt(i);
				for (j = 0;  j < checkOK.length;  j++)
				if (ch == checkOK.charAt(j))
				break;
				if (j == checkOK.length)
				{
					allValid = false;
					break;
				}
			}
			if (!allValid)
			{
			alert("Please Enter Alphanumeric Chracters or Spl character _ [UnderScore] , @ [At], - [Hyphen], .[Dot]");
				Emailval.value="";
				Emailval.focus();
				return (false);
			}
		}
		var Val=Emailval.value;
		var Len=Val.length;
		if (Len!=0)
		{
		   var i=1;
		   while (i < Len && Val.charAt(i) != "@")
		   {
			   i++
		   }
		   if ((i >= Len) || (Val.charAt(i) != "@"))
		   {
			   alert("Enter valid Email Id");
			   Emailval.value= "";
			   Emailval.focus ();
			   return(false);
			}
			else i += 2
		   //Check for "."
		   while ((i < Len) && (Val.charAt(i) != "."))
		   {
			   i++
		   }
		   if ((i >= Len-1) || (Val.charAt(i) != "."))
		   {
			   alert("Enter valid Email Id");
			   Emailval.value= "";
			   Emailval.focus ();   
			   return(false);
		   }
		   else
		   return(true);
		}
	}
}
//======================================================================================================

//======================================================================================================
//Spl FieldsValid 
function SplFieldsValid(Data1)
{
	while(''+Data1.value.charAt(0)==' ')
    {
         Data1.value=Data1.value.substring(1,Data1.value.length);
    }
    while(''+Data1.value.charAt(Data1.value.length-1)==' ')
    {
       Data1.value=Data1.value.substring(0,Data1.value.length-1);
    }
	if (Data1.value != "")
	{
		var checkOK = "\`\"";
		var checkStr = Data1.value;
		var allValid = true;
		for (i = 0;  i < checkStr.length;  i++)
		{
			ch = checkStr.charAt(i);
			for (j = 0;  j < checkOK.length;  j++)
			if (ch == checkOK.charAt(j))
			{
			allValid = false;
			break;
			}
			
		}
		if (!allValid)
		{
			alert("Please Don't use Quotes [ ' , \" , \`  ] ");
			Data1.focus();
			return (false);
		}
		
	}
	
	return true;
}
//======================================================================================================

//======================================================================================================
// Amount Check
function AmountValid(Data3)
{
	while(''+Data3.value.charAt(0)==' ')
    {
         Data3.value=Data3.value.substring(1,Data3.value.length);
    }
    while(''+Data3.value.charAt(Data3.value.length-1)==' ')
    {
       Data3.value=Data3.value.substring(0,Data3.value.length-1);
    }
	if (Data3.value != "")
	{
		var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 /\.,$-";
		var checkStr = Data3.value;
		var allValid = true;
		for (i = 0;  i < checkStr.length;  i++)
		{
			ch = checkStr.charAt(i);
			for (j = 0;  j < checkOK.length;  j++)
			if (ch == checkOK.charAt(j))
			break;
			if (j == checkOK.length)
			{
				allValid = false;
				break;
			}
		}
		if (!allValid)
		{
			alert("Enter Only Alphanumeric Characters & Spl Characters /\.,-$ ");
			Data3.value="";
			Data3.focus();
			return (false);
		}
		
	}
	
	return true;
}
//======================================================================================================
//======================================================================================================
//New Window 
function view(p)
{
  {
    window.open(p,"","width=800,height=500,statusbar=yes,toolbar=no,scrollbars=yes,navbar=no");
    }
}   
//======================================================================================================

//======================================================================================================
//New Window Two For Full Screen
function viewbig(p)
{
  {
    window.open(p,"","left=5,width=1000,statusbar=yes,toolbar=no,scrollbars=yes,navbar=no");
    }
}   
//======================================================================================================

//======================================================================================================
//Date Validation(MM/DD/YYYY)
var dtCh= "/";
date = new Date();
var minYear = date.getYear();

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(dtStrObj){	
dtStr=dtStrObj.value
	if (dtStr=="")	
		return true
	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")
		dtStrObj.value="";
		dtStrObj.focus();
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		dtStrObj.focus();
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		dtStrObj.focus();
		return false
	}
	if (strYear.length != 4 || year==0){
		alert("Please enter a valid  year")
		dtStrObj.focus();
		return false
	}
	if(dtStrObj.name!="J_GradDate")
    if (year<minYear){
		alert("Year should not be less than current year("+ minYear + ")");
		dtStrObj.focus();
		return false
	}

	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		dtStrObj.focus();
		return false
	}
return true
}

//======================================================================================================