// JavaScript Document

var height;
var width=screen.width;

function position_intro() {	

  if( typeof window.innerHeight != 'undefined' ) { // for Mozilla 
    height = window.innerHeight;	
  }
  else if( typeof document.body.clientHeight != 'undefined') { // for IE
    height = document.body.clientHeight;	
  }

  document.getElementById('cell').height=height +'px';
  visualizar_intro();  

} //end function position_intro()

function visualizar_intro(){

  document.getElementById('capa').style.visibility='visible';
  document.getElementById('capa').style.display='block'; //for NetScape 
  
} // end function visualizar_intro()



// CARGAR FOTOS REFUGIO



var anchura=screen.width;
var position=(anchura/2)-235; 

if(document.layers) {NAV=1;}
else if(document.all) {NAV=2;}
else {NAV=0;}
var OY=80; //margen superior
var PYY=1;

function cargar_foto(url)
{
document.getElementById('frame_refugio').src=url;
document.getElementById('refugio').showing = true;
document.getElementById('refugio').style.display="block";
document.getElementById('refugio').style.visibility='visible';
document.getElementById('refugio').style.top=PS(PYY)+OY; 
document.getElementById('refugio').style.left=position+'px'; 
}

function PS(p)
{
var v=0;
switch(p)
 {
 case PYY: {switch(NAV) {
 case 0: {v=window.pageYOffset;} break;
 case 1: {v=document.documentElement.scrollTop;} break;
 case 2: {v=document.body.scrollTop;} break;
 default: return 0;
 } } break;
 }
return v;
}

function cerrar_foto() {
document.getElementById('refugio').style.visibility='hidden';
document.getElementById('refugio').showing = false;
document.getElementById('refugio').style.display="none";
document.getElementById('frame_refugio').src="";
}