$(document).ready(function(){
var $country_iframe=$("#country_iframe");
$("#country_select").change(function(){
var val =$(this).val();
if (val.match(/^\d+$/)){
location.href='search_country_view?nid='+val;
}else if(val.indexOf("view_")){
location.href='search_country_view?view='+val;
}else{
if(location.search){
  $("#search_content").empty().append("<br/><iframe id='country_iframe' frameborder='0' />");
$country_iframe=$("#country_iframe");
$country_iframe.attr("src",val);
}else{
$country_iframe.attr("src",val);
}

}
});
});