$(document).ready(function(){
  total_cells_obj=$("tr.menu_tr > td");
  total_cells=total_cells_obj.length
  
  text_cells=(total_cells+1)/2;
  sepa_cells=(total_cells-1)/2;
  
  texts_in_a=$("a.menu_it_a > span");
  total_text_length=0;
  
  for(i=0;i<texts_in_a.length-1;i++){    
	total_text_length+=texts_in_a[i].offsetWidth;
  }
  
  delta=$(".top_menu_table").width()-sepa_cells-total_text_length;
  
  exeeding=Math.floor((delta/texts_in_a.length));
  
  k=0;
  for(i=0;i<total_cells;i+=2){    
    $(total_cells_obj[i]).css("width",texts_in_a[k].offsetWidth+exeeding+"px");
	k++;
  }  
  
  });
  
  $(".left_menu_row").mouseover(function() {
    alert("a");
});