// JavaScript Document

function IsNumeric(sText)
{
   var ValidChars = "0123456789. ";
   var IsNumber=true;
   var Char;
	if(sText.length>0){
		for (i = 0; i < sText.length && IsNumber == true; i++) 
		  { 
		  Char = sText.charAt(i); 
		  if (ValidChars.indexOf(Char) == -1) 
			 {
			 IsNumber = false;
			 }
		  }
	}else{
		IsNumber = false;
	}
		return IsNumber;
   }

function validateEmail(field){
	
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	return (filter.test(field.value))
}

function checkForm(){
	
	if(validateEmail(document.getElementById('Email'))==true&&IsNumeric(document.getElementById('Telephone').value)==true){ 
		document.form2.submit();
	}else{
		alert('Error, please enter a valid telephone number & email address.');
	}
	
}