function SubmitForm()
{
 var OK = true;
 var regex = new RegExp("[^@]{1,}[@]{1}[^@.]{1,}[.]{1}[^@]{1,}","gi");
 
 if (document.getElementById('mynameId').value == '')
 {
  document.getElementById('mynameSpan').style.visibility = 'visible';
  OK = false;
 } 
 else
  document.getElementById('mynameSpan').style.visibility = 'hidden';
 
 if (document.getElementById('emailId').value == '' || !regex.test(document.getElementById('emailId').value))
 {
  document.getElementById('emailSpan').style.visibility = 'visible';
  OK = false;
 }
 else
  document.getElementById('emailSpan').style.visibility = 'hidden';
 
 if (document.getElementById('type2').checked && document.getElementById('input_fixed').value == '')
 {
  document.getElementById('companySpan').style.visibility = 'visible';
  OK = false;
 }  
 else 
  document.getElementById('companySpan').style.visibility = 'hidden';
 
 if (document.getElementById('messageId').value == '')
 {
  document.getElementById('messageSpan').style.visibility = 'visible';
  OK = false;
 } 
 else
  document.getElementById('messageSpan').style.visibility = 'hidden';
 
 if (OK)
  document.getElementById('mainForm').submit();
   

}
function LoadImage(id,name)
{
 document.getElementById(id).src = 'i/'+name;
}