multiple instance

i am curently using fck editor in c# website. I've got 2 fckEditor fields in my page, the second one is correctly initialized but not the first one.

ie:

function FCKeditor_OnComplete( editorInstance )
      {
         FCKeditorLoadCount ++;   
         alert(editorInstance.Name);   
         if(FCKeditorLoadCount == 2)
         {
            alert("c'est chargé"); 
         }   
      }

is called once only.

How to fix it ?