function fill_content(src) {
   var content = document.getElementById('searchBoxBody');
   

   if (src == "destinations-sv") {
     content.innerHTML = '<iframe class="iframebox" frameborder="no" width="100%" scrolling="no" src="http://cao.sax.softvoyage.com/cgi-bin/package.cgi?code_ag=cao&alias=ca6">';   
   } else {
     content.innerHTML = '<iframe class="iframebox" frameborder="no" width="100%" scrolling="no" src="includes/'+src+'.html">';    
   }
   
}

function selectFirst(name) {
var selected = document.getElementById(name);
selected.checked = "checked";
fill_content(name);
}