function Hide_bad_div(link_name) 
{ 
 var divs=document.getElementsByTagName('div'); 
 for (i=0;i<divs.length;i++) 
   { 
     if (divs[i].id.slice(0,12)=='Div_for_link' && divs[i].style.display=='block') 
       { 
         divs[i].style.display='none'; 
         break; 
       } 
   } 
 
 nomer=link_name.substr(4,(link_name.length-4)); 
 Div_Id='Div_for_link'.concat(nomer); 
 document.getElementById(Div_Id).style.display='block'; 
}