var link = document.location;
link = link.toString();
if (link.indexOf(".html") == -1) {
	linkSp = link.replace(link,link + "index_sp.html");
	linkBr = document.location;
	linkEn = link.replace(link,link + "index_en.html");
} else if (link.indexOf("_") == -1) {
	linkSp = link.replace(".html","_sp.html");
	linkBr = document.location;
	linkEn = link.replace(".html","_en.html");
} else {
	linkSp = link.replace(/_en|_sp|_br/,"_sp");
	linkBr = link.replace(/_en|_sp|_br/, (link.indexOf("index_") > -1) ? "" : "_br");
	linkEn = link.replace(/_en|_sp|_br/,"_en");
}

document.write('<a href="'+ linkBr +'"><img src="images/ico_bra.gif" width="30" height="20" alt="ico_bra" /></a><a href="'+ linkEn +'"><img src="images/ico_usa.gif" width="30" height="20" alt="ico_usa" /></a><a href="'+ linkSp +'"><img src="images/ico_spa.gif" width="30" height="20" alt="ico_spa" /></a>');