var loc = document.location.toString();

var english = !(loc.search("/es/")+1);

function es(){
if(english){document.location = loc.replace("http://www.cardinalcorp.com/","http://www.cardinalcorp.com/es/")}

}

function eng(){
if(!english){document.location = loc.replace("http://www.cardinalcorp.com/es/","http://www.cardinalcorp.com/")}

}