function open_date_selection(date,call_back_function){



   w=250;



   h=250;



   return open_centered_dialog_("/create_page.php?template=pages/template/dialog.php&content_page=pages/dialogs/date_request.php&"+SID+



                                "&date="+date+



                                "&call_back_function="+call_back_function,



                                "",



                                w,



                                h,



                                "_date_selector");



}







function open_file_selection(id_tipo_file,call_back_function,language){



   w=400;



   h=400;



   return open_centered_dialog_("/create_page.php?template=pages/template/dialog.php&content_page=pages/dialogs/select_file.php&"+SID+



                                "&id_tipo_file="+id_tipo_file+



                                "&call_back_function="+call_back_function+



                                "&language="+language,



                                "scrollbars=yes",



                                w,



                                h,



                                "_select_file");



}







function open_preview(file_name){



   width=screen.availWidth/2;



   height=screen.availHeight/2;



   _preview=window.open(file_name,"_preview","resizable=1,scrollbars=1,width="+width+",height="+height+",top="+((screen.availHeight-height)/2)+",left="+((screen.availWidth-width)/2));



   _preview.focus();



}







function open_directory(dir){



   w=300;



   h=400;



   open_window("/pages/dialogs/open_directory.php?dir="+dir+"","open_directory","width="+w+",height="+h+",top="+((screen.availHeight-h)/2)+",left="+((screen.availWidth-w)/2));



}







function open_file(dir){



   w=300;



   h=400;



   open_window("/pages/dialogs/open_file.php?dir="+dir+"","open_directory","scrollbars=yes,width="+w+",height="+h+",top="+((screen.availHeight-h)/2)+",left="+((screen.availWidth-w)/2));



}







var _db_wnd;



function open_db_select_dialog(title,query,key,fields,separator,multi_selection,width,height,callback_function,sid,selected_values){



//   if (_db_wnd) _db_wnd.close();



   _db_wnd=open_window("pages/dialogs/open_db_select.php?"+



                       "query="+query+



                       "&title="+title+



                       "&keys="+key+



                       "&fields="+fields+



                       "&multi_selection="+multi_selection+



                       "&separator="+separator+



                       "&callback_function="+callback_function+



                       "&selected_values="+selected_values+



                       "&"+sid,



                   title.replace(/ /g,"_"),



                   "width="+width+",height="+height+",top="+((screen.availHeight-height)/2)+",left="+((screen.availWidth-width)/2));



    _db_wnd.focus();



}







function open_db_select_dialog_(settings,multi_selection,width,height,callback_function,sid,window_name,selected_values){



//   if (_db_wnd) _db_wnd.close();



   _db_wnd=open_window("/create_page.php?template=pages/template/dialog.php&content_page=pages/dialogs/open_db_select.php"+



                       "&settings="+settings+



                       "&multi_selection="+multi_selection+



                       "&callback_function="+callback_function+



                       "&selected_values="+selected_values+



                       "&"+sid,



                   window_name,



                   "width="+width+",height="+height+",top="+((screen.availHeight-height)/2)+",left="+((screen.availWidth-width)/2));



    _db_wnd.focus();



}







var _dlg_wnd;



function open_dialog(url,parameters,settings){



//   if (_dlg_wnd) _dlg_wnd.close();



   _dlg_wnd=open_window("pages/template/dialog.php?content_page="+url+"&"+parameters,"",settings);



//    return _dlg_wnd;



}







function open_centered_dialog_(url,settings,width,height,window_name){



    _centered_wnd=open_window(url,



                        window_name,



                       settings+",resizable=1,width="+width+",height="+height+",top="+((screen.availHeight-height)/2)+",left="+((screen.availWidth-width)/2));



//    return _centered_wnd;



}







function open_centered_dialog(url,settings,width,height,window_name){



    _centered_wnd=open_window(url,



                        window_name,



                       settings+",resizable=1,width="+width+",height="+height+",top="+((screen.availHeight-height)/2)+",left="+((screen.availWidth-width)/2));



//    return _centered_wnd;



}