function op(url, name, options, nofocused){
           if(!name){
                      name = 'wind'+Math.rand();
           }
           if(!options){

                      options = 'toolbar=0'
                      + ',location=0'
                      + ',directories=0'
                      + ',menubar=0'
                      + ',scrollbars=0'
                      + ',resizable=0'
                      + ',status=0'
                      + ',fullscreen=0'
                      + ',width=900px'
                      + ',height=900px'
                      + '';
           }
           if(url){
                      if(/\?/.test(url)){
                                 url += '&' + (Math.random()+'').replace(/\./, '');
                      }else{
                                 url += '?' + (Math.random()+'').replace(/\./, '');
                      }

                      var tt = open(url, name, options);
                      if(!nofocused){
                                 tt.focus();
                      }
           }
} 

function show(iist){
           document.getElementById(iist).style.display = 'block';
}
function hide(iist){
           document.getElementById(iist).style.display = 'none';
}

  function go_page(page)
  {
      //document.form_name.page.value=page;
      //document.form_name.submit();
      location.href = '?page='+page;
  }
  
  function perpage(page, perpage, maxnumber, id)
  {
       klinks=10;

       begin_pp=page-page%(perpage*klinks)
       max_out=(perpage*klinks)+page-page%(perpage*klinks)
       var OUT=''

           var fox = 1;

       if(begin_pp>0)
       {
         ahref='javascript:go_page('+(begin_pp-perpage)+')'
         OUT+='<a href="'+ahref+'">&lt;&lt;</a>'
       }

       cur_page=begin_pp;
       if(maxnumber<max_out) max_out=maxnumber;
       while(cur_page<max_out)
       {

           var to_page=cur_page+(perpage-1);
           if(to_page>maxnumber) to_page=maxnumber;
           if(cur_page==page)
             OUT+=' '+fox+' '
             else
             {
               ahref='javascript:go_page('+cur_page+')'
               OUT+=' <a href="'+ahref+'">'+fox+'</a> ';
             }
             fox++;
             
           cur_page+=perpage;               
       }
       if(max_out<maxnumber)
       {
         ahref='javascript:go_page('+max_out+')'
         OUT+='<a href="'+ahref+'">&gt;&gt;</a>'
       }
       
       document.getElementById(id).innerHTML=OUT;

  }