function Slide(showbox){		
	if(showbox == "slider_1") {	
		var objet = document.getElementById(showbox);
		var objet2 = document.getElementById("slider_2");
		var objet3 = document.getElementById("slider_3");
		var menu = document.getElementById('s1');
		var menu2 = document.getElementById('s2');
		var menu3 = document.getElementById('s3');	
	}
	else if(showbox == "slider_2"){	
		var objet = document.getElementById(showbox);
		var objet2 = document.getElementById("slider_1");
		var objet3 = document.getElementById("slider_3");
		var menu = document.getElementById('s2');
		var menu2 = document.getElementById('s1');
		var menu3 = document.getElementById('s3');
	}
	else {	
		var objet = document.getElementById(showbox);
		var objet2 = document.getElementById("slider_1");
		var objet3 = document.getElementById("slider_2");
		var menu = document.getElementById('s3');
		var menu2 = document.getElementById('s1');	
		var menu3 = document.getElementById('s2');
	}
	
	if(objet.style.visibility == 'hidden' || !objet.style.visibility)
	{				
		objet.style.visibility = "visible";
		objet2.style.visibility = "hidden";
		objet3.style.visibility = "hidden";
		menu.className = "current";
		menu2.className = "";
		menu3.className = "";
	}	
}