function NumOnly(e) {
   var KeyCode = (e.keyCode) ? e.keyCode : e.which;
   return ((KeyCode == 8) // backspace
        || (KeyCode == 9) // tab
        || (KeyCode == 37) // left arrow
        || (KeyCode == 39) // right arrow
        || (KeyCode == 46) // delete
		|| (KeyCode == 45)
        || ((KeyCode > 47) && (KeyCode < 58)) // 0 - 9
   );
}

function valid_enquiry() {

cname = document.getElementById("cname").value;
cperson = document.getElementById("cperson").value;
position = document.getElementById("position").value;
paddress = document.getElementById("paddress").value;
phone = document.getElementById("phone").value;
fax = document.getElementById("fax").value;
msg = document.getElementById("msg").value;
email = document.getElementById("email").value;


if (cname == "") {
alert("Please enter the company Name");
document.getElementById("cname").focus();
return false;
}

if (cperson == "") {
alert("Please enter the contact person");
document.getElementById("cperson").focus();
return false;
} 

if (position == "") {
alert("Please enter the position of the contact person ");
document.getElementById("position").focus();
return false;
} 

if (paddress == "") {
alert("Please enter the postal address ");
document.getElementById("paddress").focus();
return false;
} 

if (phone == "") {
alert("Please enter the telephone number ");
document.getElementById("phone").focus();
return false;
} 
if (fax == "") {
alert("Please enter the fax number ");
document.getElementById("fax").focus();
return false;
} 
if (msg == "") {
alert("Please enter the message");
document.getElementById("msg").focus();
return false;
} 

var str=email
var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
if (filter.test(str))
document.getElementById("msg").focus();
else{
alert("Please enter valid email ID");
document.getElementById("email").focus();
return false;
}


return true;
}