var capa='Oculta';
// Corrector de Bug PNG para Explorer. Opera y Mozilla funcionan correctamente sin este JS
function correctPNG() 
   {
   for(var i=0; i<document.images.length; i++)
      {
	  var img = document.images[i]
	  var imgName = img.src.toUpperCase()
	  if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
	     {
		 var imgID = (img.id) ? "id='" + img.id + "' " : ""
		 var imgClass = (img.className) ? "class='" + img.className + "' " : ""
		 var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
		 var imgStyle = "display:inline-block;" + img.style.cssText 
		 if (img.align == "left") imgStyle = "float:left;" + imgStyle
		 if (img.align == "right") imgStyle = "float:right;" + imgStyle
		 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
		 var strNewHTML = "<span " + imgID + imgClass + imgTitle
		 + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
	     + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
		 + "(src=\'" + img.src + "\');\"></span>" 
		 img.outerHTML = strNewHTML
		 i = i-1
	     }
      }

   }
var ua = navigator.userAgent.toLowerCase();
function detect(text) {
   stringposition = ua.indexOf(text) + 1;
   data = text;
   return stringposition;
}

if (detect('opera')) {
	 
 } else if (detect('firefox')){
	 
} else if (detect('msie')){
	 window.attachEvent("onload", correctPNG);	
}	 

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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}


function openw(foto,nombre,ancho,alto,scroll)
	{
	
		var centroy=((screen.availHeight - alto)/2);
		var centrox=((screen.availWidth - ancho)/2);

	window.open(foto,nombre,"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars="+scroll+",resizable=no,copyhistory=no,width="+ancho+",height="+alto+",title=no,titlebar=no,left="+centrox+",top="+centroy)
}


function MostrarSubMenu(Objeto) {
	var cadenaBlock = 'block';
	document.getElementById(Objeto).getElementsByTagName('ul')[0].style.display=cadenaBlock;
	document.getElementById(Objeto).getElementsByTagName('a')[0].style.backgroundColor="#eaeaea";
}

function OcultarSubMenu(Objeto) {
	var cadenaNone = 'none';
	document.getElementById(Objeto).getElementsByTagName('ul')[0].style.display=cadenaNone;
	document.getElementById(Objeto).getElementsByTagName('a')[0].style.backgroundColor="#ffffff";
}

function  OcultarMostrarCapa(Objeto) {
	if (capa!='Oculta') {
		var cadenaNone = 'none';
		document.getElementById(Objeto).style.display=cadenaNone;
		capa='Oculta';
	}else{
		var cadenaBlock = 'block';
		document.getElementById(Objeto).style.display=cadenaBlock;
		capa='';		
	}
}