function addBookmark(title,url) {
 if (window.sidebar) { window.sidebar.addPanel(title, url,""); 
 } else if( document.all ) { window.external.AddFavorite( url, title); 
 } else if( window.opera && window.print ) { return true; } }

function checa_busca(form){
if (form.search.value == "Preencha aqui para buscar videos de sexo"){
alert("Preencha sua busca!");
form.search.focus();
return (false);
}
return (true);
}