<!--

// 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 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 ValidatePhone(i){
	var Phone=document.contact.elements[i]
	
	if ((Phone.value==null)||(Phone.value=="")){
		alert("Please Enter your Phone Number")
		document.contact.elements[i].focus()
		return false
	}
	if (checkInternationalPhone(Phone.value)==false){
		alert("Please Enter a Valid Phone Number")
		Phone.value=""
		document.contact.elements[i].focus()
		return false
	}
	return true
 }



function validate(){

if(document.contact.name.value=="")
{
alert ("Please enter Name");
document.contact.name.focus();
return false;
}

if(document.contact.worktel.value=="" && document.contact.hometel.value=="")
{
alert ("Please enter at least one Phone Number");
document.contact.worktel.focus();
return false;
}

if(document.contact.email.value=="")
{
alert ("Please enter E-Mail");
document.contact.email.focus();
return false;
}

if(document.contact.area.value=="")
{
alert ("Please Select An Area of Practice");
document.contact.area.focus();
return false;
}



}


function checkMail()
{
var x = document.contact.email.value;
var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9])+$/;
if (filter.test(x)) {
return true;
}else{
alert('Please enter a valid email address');
document.contact.email.value="";
document.contact.email.focus();
return false;
}
}

//-->