function Onclik(n){
	//var m = n-1;
	for(var i=1;i<=3;i++){
		document.getElementById("recimg"+i).src = "images/recimg"+i+"1.gif";
		document.getElementById("main"+i).style.display ="none";
	}
	document.getElementById("recimg"+n).src = "images/recimg"+n+"2.gif";
	document.getElementById("main"+n).style.display = "block";
}