var nn;
nn = 2;
setTimeout("change_img()", 2000);
function change_img() {
	if (nn > 5) {
		nn = 1;
	}
	setTimeout("setFocus1(" + nn + ")", 4000);
	nn++;
	tt = setTimeout("change_img()", 4000);
}
function setFocus1(i) {
	selectLayer1(i);
}
function selectLayer1(i) {
	switch (i) {
	  case 1:
		document.getElementById("focusPic1").style.display = "block";
		document.getElementById("focusPic2").style.display = "none";
		document.getElementById("focusPic3").style.display = "none";
		document.getElementById("focusPic4").style.display = "none";
		document.getElementById("focusPic5").style.display = "none";
		break;
	  case 2:
		document.getElementById("focusPic1").style.display = "none";
		document.getElementById("focusPic2").style.display = "block";
		document.getElementById("focusPic3").style.display = "none";
		document.getElementById("focusPic4").style.display = "none";
		document.getElementById("focusPic5").style.display = "none";
		break;
	  case 3:
		document.getElementById("focusPic1").style.display = "none";
		document.getElementById("focusPic2").style.display = "none";
		document.getElementById("focusPic3").style.display = "block";
		document.getElementById("focusPic4").style.display = "none";
		document.getElementById("focusPic5").style.display = "none";
		break;
	  case 4:
		document.getElementById("focusPic1").style.display = "none";
		document.getElementById("focusPic2").style.display = "none";
		document.getElementById("focusPic3").style.display = "none";
		document.getElementById("focusPic4").style.display = "block";
		document.getElementById("focusPic5").style.display = "none";
		break;
	  case 5:
		document.getElementById("focusPic1").style.display = "none";
		document.getElementById("focusPic2").style.display = "none";
		document.getElementById("focusPic3").style.display = "none";
		document.getElementById("focusPic4").style.display = "none";
		document.getElementById("focusPic5").style.display = "block";
		break;
	}
}