function keyenter(field,e)
{
var key;
if (window.event)//IE
   key = window.event.keyCode;
else
   key = e.which; // Firefox

if (key>31)
  if (key<128)
  {
 
    if (window.event)
    {
      window.event.keyCode=' !"#$%،گ)(×+و-./0123456789:ك,=.؟@ِذ}ىُيلا÷ـ،/’د×؛َءٍف‘{ًْإ~جژچ^_پشذزيثبلاهتنمئدخحضقسفعرصطغظ<|>ّ'.charCodeAt(key-32);
     
      }
    else
    {
      e.which='!"#$%،گ)(×+و-./0123456789:ك,=.؟@ِذ}ىُيلا÷ـ،/’د×؛َءٍف‘{ًْإ~جژچ^_پشذزيثبلاهتنمئدخحضقسفعرصطغظ<|>ّ'.charCodeAt(key-32);    
      
      
      }

  }
}