function actives(arrea, status){
  if (!status){
    document.getElementById(arrea).style.visibility = "visible";
    document.getElementById(arrea+'_text').style.visibility = "visible";
  }

  if (status == 1){
    document.getElementById(arrea).style.visibility = "visible";
  }

}

function inactives(arrea, status){
  if (!status){
    document.getElementById(arrea).style.visibility = "hidden";
    document.getElementById(arrea+'_text').style.visibility = "hidden";
  }

  if (status == 1){
    document.getElementById(arrea).style.visibility = "hidden";
  }
}

function build_arrea(arrea, name_arrea, x, y){
  var str = '';
  str += '<div id="'+arrea+'" style="visibility:hidden; position:absolute; margin-top:'+y+'px; margin-left:'+x+'px; ">';
  str += '<img src="/images/'+arrea+'.gif" border="0"></div>';
  if ((arrea == 'kcs') || (arrea == 'svs')) {y=y-12; x=x-10;};
  if (x>=74) {x=x-90;} else {x=x-5;}; if (y<=35) {y=y+75;};
  str+='<div id="'+arrea+'_text" class="nowrap" style="visibility:hidden; position:absolute; margin-top:'+(y-35)+'px;  "><div class="left_layer"></div><div class="center_layer">'+name_arrea+'</div><div class="right_layer"></div></div>'
  str+='';
  document.write(str);
}