function sendformcheck()
{
 if (sendform.firstName.value=="")
 {
   alert('Please input firstName!');
   sendform.firstName.focus();
   return false;
 }
  if (sendform.lastName.value=="")
 {
   alert('Please input lastName!');
   sendform.lastName.focus();
   return false;
 }
 if (sendform.myEmail.value=="")
 {
   alert('Please input the Email password!');
   sendform.myEmail.focus();
   return false;
 }
 if (sendform.myMesg.value=="")
 {
   alert('Please input the message content!');
   sendform.myMesg.focus();
   return false;
 }
 return true;
}

function isEmail(strEmail) {
if (strEmail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
return true;
else
alert("oh");
}