function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
  {alert(alerttxt);return false}
else {return true}
}
}

function validate_form(thisform)
{

if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(thisform.email.value)!=true){
alert("Please enter a valid email address");
return false}
	
with (thisform)
{

if (validate_required(name,"Please enter a Name.")==false)
  {name.focus();return false}
  
  
if (validate_required(email,"Please enter an email Address.")==false)
  {email.focus();return false}
  

}

}