// 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 = 9;

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++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

//function for autocompleting Subscribtion Form

function check(frmRequest) {

var form = document.forms['frmRequest'];

        if (form.email2.value == "")

	{

		alert("Email address is required");

		form.email2.focus();

		return false;

	}


	if (form.email2.value.length >0)

	 {

	 i=form.email2.value.indexOf("@");

	 j=form.email2.value.indexOf(".",i);

	 k=form.email2.value.indexOf(",");

	 kk=form.email2.value.indexOf(" ");

	 jj=form.email2.value.lastIndexOf(".")+1;

	 len=form.email2.value.length;



 	if ((i>0) && (j>(1+1)) && (k==-1) && (kk==-1) && (len-jj >=2) && (len-jj<=3)) {

 	}

 	else {

 		alert("Email address is not in a valid format");

		form.email2.focus();

		return false;

 	     }

     }


{



}


	if (form.name.value == "")

	{

		alert("Your Name is required");

		form.name.focus();

		return false;

	}

	if (form.surname.value == "")

	{

		alert("Your Surname is required");

		form.surname.focus();

		return false;

	}

	
	if ((form.phone.value==null)||(form.phone.value=="")){
		alert("Please Enter your Phone Number")
		form.phone.focus()
		return false
	}
	if (checkInternationalPhone(form.phone.value)==false){
		alert("Please Enter a Valid Phone Number")
		form.phone.value=""
		form.phone.focus()
		return false
	}


	
	
	if (form.fileatt.value == "")

	{

		alert("Your CV is required");

		form.fileatt.focus();

		return false;
	}

	
	if(!/(\.pdf|\.doc|\.rtf|\.txt)$/i.test(form.fileatt.value)) 
	
	{
		alert("Invalid file type.");
		
		form.fileatt.focus();
		
		return false;
	}

	
}