function flash(codigo, ancho, alto, trans) {
  extension = codigo.substr(codigo.length-4);
  if (extension != '.swf') { codigo += '.swf'; }
	  document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" ' 
                + 'codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" '
                + 'width="' + ancho + '" height="' + alto + '">\n');
  document.write('<param name="movie" value="' + codigo + '">\n');
  document.write('<param name="quality" value="high">\n');
  document.write('<param name="showmenu" value="false">\n');
  document.write('<param name="menu" value="false">\n');
  document.write('<param name="wmode" value="' + trans + '">\n');
  document.write('  <embed src="' + codigo + '" quality="high" '
                + 'pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" '
                + ' width="' + ancho + '" height="' + alto + '" showmenu="false" menu="false" wmode="' + trans + '">\n');
  document.write('  </embed>\n');
  document.write('</object>\n');
}
function expand(thistag, tag) {
 styleObj=document.getElementById(thistag).style;
 if (styleObj.display=='none') {
  styleObj.display='';
 } else {
  styleObj.display='none';
 }
}
function abreVentana(url,alto,ancho){ 
window.open(url,"_blank","height="+alto+", width="+ancho); 
}
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_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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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];}
}
//funciones para campaņa escolar
function showLayer(layerName){
	if (document.getElementById){
		var targetElement = document.getElementById(layerName);
		targetElement.style.visibility = 'visible';
		}
}
function hideLayer(layerName){
	if (document.getElementById){
		var targetElement = document.getElementById(layerName);
		targetElement.style.visibility = 'hidden';
		}
}