function crml()
{
var sub = "?subject=Italie";
var domain = "reh" +'urek.cz';
var name = "ita" +'lie';
var at = "@";
var zapis = "napíšete e-mail";

document.write("<a href='m&#97;" +"&#105;lt&#111;:" +name +'' +at +"" +domain +sub +"'>" +zapis +"</a>"); 
}
crml();