var IE4B	= false;
var NS4B	= false;
var NS6B	= false;
var OP5B	= false;

NS4B		= ((document.layers)?true:false);
IE4B		= ((document.all)?true:false);	
NS6B		= ((document.getElementById)&&(!IE4B))?true:false;	
uagent 	= window.navigator.userAgent.toLowerCase();

IE5		= false;
IE4		= false;
IEold		= false;
IE5		= (uagent.indexOf('msie 5.0') != -1)?true:false;
IE4		= (uagent.indexOf('msie 4') != -1)?true:false;
OP5B		= (uagent.indexOf('opera') != -1)?true:false;	
if(IE5||IE4)	{ IEold=true; }	
if(OP5B==true)	{IE4B=false;NS6B=true;}	
if(NS6B==true)	{IE4B=false;}


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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) { //v4.01
  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_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_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];}
}



//popup
function openv(nombre,ancho,largo,scrollbar,resizable){
	var winleft	= (screen.width - ancho) / 2;
	var winup	= (screen.height - largo) / 2;
	w = window.open(nombre,'','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars='+scrollbar+',resizable='+resizable+',width='+ancho+',height='+largo+',left='+winleft+',top='+winup);
	return w;
}

//fitPic (encaja la imagen en un popup)
function fitpic(pub_urlbase,img){
	openv(pub_urlbase+'/resources/fitpic.htm?'+img);
}


//---------------------
function agregar(){
if (window.sidebar&&window.sidebar.addPanel)
window.sidebar.addPanel("Universiando","http://www.universiando.com/","");
else
window.external.AddFavorite("http://www.universiando.com/","Universiando")

}