function Check(){
  if(document.e_check.organization_name.value == ""){
   alert("Input Organization Name.");
   document.e_check.organization_name.focus();
   return false;
   }
  if(document.e_check.event_name.value == ""){
   alert("Input Event Name.");
   document.e_check.event_name.focus();
   return false;
   }
  if(document.e_check.contact_name.value == ""){
   alert("Input Contact Name.");
   document.e_check.contact_name.focus();
   return false;
   }
  if(document.e_check.title.value == ""){
   alert("Input Title.");
   document.e_check.title.focus();
   return false;
   }
  if(document.e_check.mailing_address.value == ""){
   alert("Input Mailing Address.");
   document.e_check.mailing_address.focus();
   return false;
   }
  if(document.e_check.postcode.value == ""){
   alert("Input Postcode/Zip.");
   document.e_check.postcode.focus();
   return false;
   }
  if(document.e_check.country .value == ""){
   alert("Select Country.");
   document.e_check.country .focus();
   return false;
   }
  if(document.e_check.telephone.value == ""){
   alert("Input Telephone.");
   document.e_check.telephone.focus();
   return false;
   }
  if(document.e_check.fax.value == ""){
   alert("Input Fax.");
   document.e_check.fax.focus();
   return false;
   }
  if(document.e_check.email.value == ""){
   alert("Input E-mail.");
   document.e_check.email.focus();
   return false;
   }
  if(document.e_check.event_type.value == ""){
   alert("Select Event Type.");
   document.e_check.event_type.focus();
   return false;
   }
  if(document.e_check.event_description.value == ""){
   alert("Input Event Description.");
   document.e_check.event_description.focus();
   return false;
   }
  if(document.e_check.preferred_s_m.value == "" || document.e_check.preferred_s_d.value == "" || document.e_check.preferred_s_y.value == "" || document.e_check.preferred_e_m.value == "" || document.e_check.preferred_e_d.value == "" || document.e_check.preferred_e_y.value == ""){
   alert("Select Preferred Dates of Event.");
   document.e_check.preferred_s_m.focus();
   return false;
   }
  if(document.e_check.duration_d.value == "" || document.e_check.duration_h.value == ""){
   alert("Input Duration of Event.");
   document.e_check.duration_d.focus();
   return false;
   }
  if(document.e_check.event_requirements.value == ""){
   alert("Input Event Requirements.");
   document.e_check.event_requirements.focus();
   return false;
   }
}