// JavaScript Document
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];}
}
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 OpenFoto(imageName,imageWidth,imageHeight) {

	LeftPosition = (screen.width) ? (screen.width-imageWidth)/2 : 10;
	TopPosition = (screen.height) ? (screen.height-imageHeight)/2 : 10;
	opt = "width=" + imageWidth + ",height=" + imageHeight + ",left=" + LeftPosition + ",top=" + TopPosition + ",maxbutton=0,scrollbar=0";
	alt = "Pulse sobre la foto para cerrar esta ventana";

 	newWindow = window.open("","newWindow",opt);
	newWindow.document.open();
	newWindow.document.write('<html><head><title>'+alt+'</title></head><body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" onBlur="self.close()">'); 
	newWindow.document.write('<a href="javascript:window.close()"><img src='+imageName +' alt="'+alt+'" border="0"></a>'); 
	newWindow.document.write('</body></html>');
	newWindow.document.close();
	newWindow.focus();
}

function calcular_posicion(pie) {
	pie = document.getElementById("bottom");
	texto = document.getElementById("contenido");
/*	alto = screen.availHeight;
	maxalto = 700;
	
	if(alto > maxalto){
		pie.style.top = alto - (pie.style.height+250);
	}
	else{
		pie.style.top = maxalto;
	}
		ancho = (parseInt(pie.style.top)-250);
		texto.style.height = ancho;

	alert ("** "+texto.style.height.value+" **");
	if(parseInt(pie.style.top) < 300) pie.style.top = 300;
*/
}

function cerrar_postit(){
	capa = document.getElementById('postit');
	capa.style.visibility = "hidden";
}
function ver_informacion(estado,capa){
	capa = document.getElementById(capa);
	capa.style.visibility = estado;
}

function CerrarAvisoCentral(){
	capa = document.getElementById('banner_central');
	capa.style.visibility = "hidden";
}