function validate()
{
var d=document.contact;

if(d.first.value=="")
{

alert("Please Enter Your First Name");
	d.first.focus();
	return false;
}


var regExpression = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;

if(d.email.value=="")
{

alert("Please Enter Your Email Address");
	d.email.focus();
	return false;
}
if (! regExpression.test(d.email.value) )
   {
     alert("Email address is invalid");
     d.email.focus();
     d.email.select();
     return false;
   }
   
 
if(d.phonenumber.value=="")
{

alert("Please Enter Your Phone Number");
	d.phonenumber.focus();
	return false;
}
  
    

  
   
  return true;
}