function cleardiv(){
document.getElementById('submenu').innerHTML='';
}

function services(){
document.getElementById('submenu').innerHTML='<ul id="submenu"><li><a href="services.php#15minv">15 Minute Visit</a></li><li><a href="services.php#30minv">30 Minute Visit</a></li><li><a href="services.php#30minr">30 Minute Run</a></li><li><a href="services.php#housesit">House Sitting</a></li></ul>';
}