function mostrarL(szDivID, iState) // 1 visible, 0 hidden
{
   var obj = document.layers ? document.layers[szDivID] : document.getElementById ? document.getElementById(szDivID).style : document.all[szDivID].style;
   obj.visibility = document.layers ? (iState ? "show" : "hide") : (iState ? "visible" : "hidden");
}


//--------------------------------------------------------------------


function setOpacity(sObj, opacity) { 
	var obj = document.getElementById(sObj);
	opacity = (opacity == 100)?99.999:opacity; 	
	obj.style.filter = "alpha(opacity:"+opacity+")"; // IE/Win 	
	obj.style.KHTMLOpacity = opacity/100; // Safari<1.2, Konqueror 	
	obj.style.MozOpacity = opacity/100; // Older Mozilla and Firefox 
	obj.style.opacity = opacity/100; // Safari 1.2, newer Firefox and Mozilla, CSS3 
}

//--------------------------------------------------------------------

function loadimages() {
	for(n=0;n<imagenames.length;n++){
	images[n]=new Image();
	images[n].src=imagenames[n];
	}
}

//--------------------------------------------------------------------

function ver_foto(nombre_foto)
{
document['foto'].src = nombre_foto;
document['foto_g'].src = nombre_foto;
}

//--------------------------------------------------------------------

function ver_en_google(numero)
{
var w=screen.width*3/4;
var h=screen.height*3/4;
var LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
var TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
afoto=window.open('google.htm?' + numero, 'agoogle', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width='+ w +',height=' + h + ',left=' + LeftPosition + ',top=' + TopPosition);
}