<!--

function check_form1() 
 {
 var sReg =/[_a-zA-Z\d\-\.]+@[_a-zA-Z\d\-]+(\.[_a-zA-Z\d\-]+)+$/;
   validity = true;
     if (window.document.form1.username.value.length<1)
    { validity = false; document.form1.username.focus(); alert('Please Input Name.'); }
  else if (window.document.form1.email.value.length<6)
   { validity = false; document.form1.email.focus(); alert('Please Input Email Address.'); }
    else  if (!sReg.test(window.document.form1.email.value))
   { validity = false;  document.form1.email.focus(); alert('Please Input Email Address.'); }
     else if (window.document.form1.remark.value.length<10)
   { validity = false; document.form1.remark.focus(); alert('Please Input Content.'); }
    return validity;
    
}

// -->