function changeFlash(flash){
	document.getElementById("Client_1").style.display = "none";
	document.getElementById("Client_2").style.display = "none";
	document.getElementById("Client_3").style.display = "none";
	document.getElementById("Client_4").style.display = "none";
	document.getElementById("Client_5").style.display = "none";
	document.getElementById("Client_6").style.display = "none";
	
	document.getElementById(flash).style.display = "block";
	}