function cogramy() {
var myHorizontalSlideCoGramy = new Fx.Slide('cogramy', {
    mode: 'horizontal',
    duration: 2000,
    transition: Fx.Transitions.Pow.easeIn
});
myHorizontalSlideCoGramy.hide();
document.getElementById("cogramy").style.visibility = "visible";
myHorizontalSlideCoGramy.slideIn();
}
window.onload = cogramy;