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

function validate_email(field,confirmfld,alerttxt)
{
if (field.value != confirmfld.value)
  {alert(alerttxt);return false}
else {return true}
}


function validate_form(thisform)
{
with (thisform)
{
if (validate_required(name,"Please enter your name.")==false)
  {name.focus();return false}
if (validate_required(email,"Please enter your email address.")==false)
  {email.focus();return false}
if (validate_email(email,emailconfirm,"The Email addresses do not match.")==false)
  {email.focus();return false}
  
}

}