/*
********************************************************************************************************************/

 var whitespace =" \t\n\r ";
function isEmpty(str)
{  
	return ((str == null) || (str.length == 0))
}
/***************************************************************************************************************
*  
*      isWhitespace is using the if  Field Empty 
*
****************************************************************************************************************/
function isWhitespace(str)
{    var i;
	 var flag
 	 if (isEmpty(str)) return true;	
	    for (i = 0; i < str.length; i++)
 	   {   
 	       // Check that current character isn't whitespace.
 	       var c = str.charAt(i);

		   if (whitespace.indexOf(c) == -1)
		   		return false
 	   }	
 	   // All characters are whitespace.
		    return true;
			
			//alert("Please Enter Username");
}

function isSelected(elementname)           // Registration : Check the Drop-down list has been selected or not
{
	var ind = document.frmReg.elements[elementname].selectedIndex;
	
	if(document.frmReg.elements[elementname].options[ind].value=="Select")
		return false;
	
	return true;
}



/************************************************************************************************************************************Phone number validation
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 *********************************************************************************************************************************/

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

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 trim(s)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not a whitespace, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (c != " ") returnString += c;
    }
    return returnString;
}
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++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
var bracket=3
strPhone=trim(strPhone)
if(strPhone.indexOf("+")>1) return false
if(strPhone.indexOf("-")!=-1)bracket=bracket+1
if(strPhone.indexOf("(")!=-1 && strPhone.indexOf("(")>bracket)return false
var brchr=strPhone.indexOf("(")
if(strPhone.indexOf("(")!=-1 && strPhone.charAt(brchr+2)!=")")return false
if(strPhone.indexOf("(")==-1 && strPhone.indexOf(")")!=-1)return false
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function ValidatePonenumber(Phone)
{
	//var Phone=document.frmSample.txtPhone
	
	if ((Phone.value==null)||(Phone.value=="")){
		//alert("Please Enter your Phone Number"+Phone.value)
		//Phone.focus()
		return false
	}
	if (checkInternationalPhone(Phone.value)==false){
		//alert("Please Enter a Valid Phone Number")
		//Phone.value=""
		//Phone.focus()
		return false
	}
	return true
 }
/*******END*****************************************************************************************************************************Phone number validation-----------------End of phone number validation
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
*********************************************************************************************************************************/



/*************************************************************************************************************
*
* ValidateEmail it checks the Email-Id is Valid or Not 
*
**************************************************************************************************************/


function echeck(str) 
{

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		  // alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		  // alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		   // alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		   // alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		   // alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}

function ValidateEmailId(emailID)
{
	//var emailID=document.frmSample.txtEmail
	
	if ((emailID.value==null)||(emailID.value=="")){
		//alert("Please Enter your Email ID")
		//emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		//emailID.value=""
		//emailID.focus()
		return false
	}
	return true
 }

/*************************************************************************************************************
*
* End  email address validation 
*
*************************************************************************************************************/




/*************************************************************************************************************
*
* Checking for the terms and condition checkbox  
*
*************************************************************************************************************/
function validateAgree(term_agree)
{
	if(!term_agree.checked)
	{
		//alert("Please Read the Terms And Conditions  and check the box below");
		//term_agree.value=""
		//term_agree.focus()
		return false;
	} 
	return true;
}

/*************************************************************************************************************
*
* END ENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDEND
*
*************************************************************************************************************/

/*************************************************************************************************************
*
* Checking for the terms and condition checkbox  
*
*************************************************************************************************************/
function ValidateEmail( Email )
{
		var atCharPresent = false;
		var dotPresent = false;

		for ( var Idx = 0; Idx < Email.length; Idx++ )
		{
			if ( Email.charAt ( Idx ) == '@' )
				atCharPresent = true;
			if ( Email.charAt ( Idx ) == '.' )
				dotPresent = true;
		}

		if ( !atCharPresent || !dotPresent )
			return false;

		return true;
}

//Email Check-------------use this function

function emailCheck (emailStr) {
	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
		//alert("Email address seems incorrect (check @ and .'s)")
		return false
	}
	var user=matchArray[1]
	var domain=matchArray[2]
	if (user.match(userPat)==null) {
		//alert("The username doesn't seem to be valid.")
		return false
	}
	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		  for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				//alert("Destination IP address is invalid!")
			return false
			}
		}
		return true
	}
	
	// Domain is symbolic name
	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		//alert("The domain name doesn't seem to be valid.")
		return false
	}
	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || 
		domArr[domArr.length-1].length>3) {
	   // the address must end in a two letter or three letter word.
	   //alert("The address must end in a three-letter domain, or two letter country.")
	   return false
	}
	if (len<2) {
	   var errStr="This address is missing a hostname."
	   alert(errStr)
	   return false
	}
	return true;
}

/*************************************************************************************************************
*
* END ENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDENDEND
*
*************************************************************************************************************/