function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function OpenBrWindow(theURL,winName,features, myWidth, myHeight, isCenter) { //v3.0
if(window.screen)if(isCenter)if(isCenter=="true"){
var myLeft = (screen.width-myWidth)/2;
var myTop = (screen.height-myHeight)/2;
features+=(features!='')?',':'';
features+=',left='+myLeft+',top='+myTop;
}
window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight);
}

function items(id){
      var obj = document.getElementById('item_' + id)
      if(obj.style.display == 'block') obj.style.display = 'none'
      else obj.style.display = 'block'
   }
   function ocultaItems(){
      listado = document.getElementById('listaEmpresas')
      contenedores = listado.getElementsByTagName('div')
      numContenedores = contenedores.length
      for(m=0; m < numContenedores; m++){
         if(contenedores[m].id.indexOf('item_') == 0)
         contenedores[m].style.display = 'none'
      }
   }