function autofill_invoice(){
    document.courseform.copl_invo_name.value=document.courseform.user_cont_name.value;    
    document.courseform.copl_invo_jobt.value=document.courseform.user_cont_jobt.value;    
    document.courseform.copl_invo_hous.value=document.courseform.user_cont_hous.value;    
    document.courseform.copl_invo_stre.value=document.courseform.user_cont_stre.value;    
    document.courseform.copl_invo_dist.value=document.courseform.user_cont_dist.value;    
    document.courseform.copl_invo_town.value=document.courseform.user_cont_town.value;    
    document.courseform.copl_invo_coun.value=document.courseform.user_cont_coun.value;    
    document.courseform.copl_invo_post.value=document.courseform.user_cont_post.value;    
}