function checkinfo(){
dd=document.form1;
if (dd.nameid.value==""){alert('Please enter your name!');dd.nameid.focus();return false;}
if (dd.email.value==""){alert('Please enter your email!');dd.email.focus();return false;}
if (dd.email.value.length<7){alert('email erro!');dd.email.focus();return false;}
if (dd.email.value.indexOf("@")==-1){alert('email erro!');dd.email.focus();return false;}
if (dd.email.value.indexOf("@")<2){alert('email erro!');dd.email.focus();return false;}
if (dd.email.value.indexOf(".")==-1){alert('email erro!');dd.email.focus();return false;}
if (dd.email.value.indexOf(".")<5){alert('email erro!');dd.email.focus();return false;}
if (dd.theme.value==""){alert('Please enter theme!');dd.nameid.focus();return false;}
if (dd.question.value==""){alert('Please enter your question!');dd.question.focus();return false;}
return true;
}
// JavaScript Document