function getCookie (name) {
var dcookie = document.cookie;
var cname = name + "=";
var clen = dcookie.length;
var cbegin = 0;
        while (cbegin < clen) {
        var vbegin = cbegin + cname.length;
                if (dcookie.substring(cbegin, vbegin) == cname) {
                var vend = dcookie.indexOf (";", vbegin);
                        if (vend == -1) vend = clen;
                return unescape(dcookie.substring(vbegin, vend));
                }
        cbegin = dcookie.indexOf(" ", cbegin) + 1;
                if (cbegin == 0) break;
        }
return null;
}

function setCookie (name, value, expires) {
        if (!expires) expires = new Date();
document.cookie = name + "=" + escape (value) +
"; expires=" + expires.toGMTString() +  "; path=/";
}


function setConfig(){ 	//alert(screen.width);	
	var fuente;
	fuente=getCookie("AccesibilidadFuente");
	if (!fuente) fuente=1;
	//alert(fuente);
	if (screen.width<=800) {
		switch(fuente) {
			case '1':
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilomenos.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break
			case '2':
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilomenos-grande.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break;
			case '3':
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilomenos-gigante.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break;
			default:
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilomenos.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break;
		}		
	}
	
	if (screen.width>800 && screen.width<1025) {
		switch(fuente) {
			case '1':
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilo.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break
			case '2':
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilo-grande.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break;
			case '3':
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilo-gigante.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break;
			default:
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilo.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break;
		}	
	}
	
	if (screen.width>1024 && screen.width<1280) {
		switch(fuente) {
			case '1':
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilomas.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break
			case '2':
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilomas-grande.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break;
			case '3':
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilomas-gigante.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break;
			default:
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilomas.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break;
		}	
	}
	
		if (screen.width>=1280) {
		switch(fuente) {
			case '1':
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilomayor.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break
			case '2':
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilomayor-grande.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break;
			case '3':
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilomayor-gigante.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break;
			default:
			{document.write('<link rel="stylesheet" media="screen,projection,handheld" href="imagenes/estilomayor.csx" type="text/css" /> <link rel="stylesheet" href="imagenes/estilop.csx" media="print" type="text/css" />');}
			break;
		}	
	}
	
}

setConfig();

function setRadios(){ 	//alert(screen.width);	
	var fuente;
	fuente=getCookie("AccesibilidadFuente");
	if (!fuente) fuente=1;
	if (fuente==1) document.forms[0].tipos[0].checked=true;
	if (fuente==2) document.forms[0].tipos[1].checked=true;
	if (fuente==3) document.forms[0].tipos[2].checked=true;
	
}

var expdate = new Date();
expdate.setTime (expdate.getTime() +  (24 * 60 * 60 * 1000 * 365));

function chequea()
{
	var fuente;
	for (var i=0; i < document.forms[0].tipos.length; i++)    	{
		if (document.forms[0].tipos[i].checked) {
			fuente=i+1;
      	}
   	}
	
	setCookie("AccesibilidadFuente", ""+fuente, expdate);
    document.location.href="configuracion.html";
}