function validateForm()
{
	var firstname	= $("input#firstname").val();
	var surname		= $("input#surname").val();
	var phone		= $("input#phone").val();
	var email 		= $("input#emailaddress").val();
	var enquiry 	= $("textarea#enquiry").val();
	
	if (firstname == ''){
		alert('Please enter your firstname'); 
		 $('#firstname').focus();  
		return false;
	}
	
	if (surname == ''){
		alert('Please enter your surname'); 
		 $('#surname').focus();  
		return false;
	}
	
	if (phone == ''){
		alert('Please enter your phone number'); 
		 $('#phone').focus();  
		return false;
	}
	
	if (email == ''){
		alert('Please enter your email'); 
		 $('#emailaddress').focus();  
		return false;
	}
	else if(!isValidEmail(email)){
		alert('Invalid email id');
		$('#emailaddress').focus();
		return false;
	}
	
	if (enquiry == ''){
		alert('Please enter your enquiry message'); 
		 $('#enquiry').focus();  
		return false;
	}
	
	return true;
}


function isValidEmail(email)
{
	var emailpat = /^([a-zA-Z0-9_-])+([\.a-zA-Z0-9_-])*@([a-zA-Z0-9])+(\.[a-zA-Z0-9_-]+)+$/;
 	if( !emailpat.test(email) ) 
		return false;
  	else
	 	return true;
}