function test_if()
{
if( typeof document.search.V_04 == "undefined" || document.search.C_00.value == "undefined"
    || document.search.D_00.value == "undefined" )
   return;

if( document.search.V_04.checked == true )
  {
   document.search.C_00.value = 3;
   document.search.D_00.value = "0.000";
   document.search.C_00.style.visibility = "visible";
   document.search.D_00.style.visibility = "visible";

  }
else
  {
   document.search.D_00.value = "";
   document.search.C_00.style.visibility = "hidden";
   document.search.D_00.style.visibility = "hidden";

  }
}

function check_if_range()
{
var x;
if( document.search.D_00.value == "undefined" )
   return;
if(isNaN(document.search.D_00.value))
  {
   document.search.D_00.value = "";
   return(0);
  }
x = parseFloat(document.search.D_00.value); 
if( x < 0 )
  {
   document.search.D_00.value = "";
   return(0);
  }
return(x);
}

function start()
{
if( typeof document.search.V_04 != "undefined" && document.search.C_00.value != "undefined"
    && document.search.D_00.value != "undefined" )
  {
   if( document.search.V_04.checked == true )
     {
      var x = check_if_range();
      if( x == 0 )
         document.search.D_00.value = "";
     }
   else if( document.search.D_00.value != "" )
      document.search.D_00.value = "";
  }
document.search.submit();
}