// JavaScript Document Power by Deskcity.com Design by CMO
function show_sub(index){
    var i ;
    for (i=1;i<=12;i++){        
        document.getElementById('main_nav_'+i).className="";
        document.getElementById('sub_nav_'+i).style.display="none";
    }
    document.getElementById('main_nav_'+index).className="here"; 
    document.getElementById('sub_nav_'+index).style.display="block";    
}

function open_box_show(id){
 document.getElementById(id).style.display="block";
}
function open_box_close(id){
 document.getElementById(id).style.display="none";
}