function toggle(div)
{
if (document.getElementById('funzon_text_about'))
{
var option=['funzon_text_about','funzon_text_food','funzon_text_moonlight','funzon_text_nature','funzon_text_carnival'];
for(var i=0; i<option.length; i++) 
{ obj=document.getElementById(option[i]);
obj.style.display=(option[i]==div)? "block" : "none"; }
}
}