// JavaScript Document
var nn;
nn=1;
setTimeout('change_img()',3500);

function change_img(){
	if(nn>3) nn=1
	setTimeout('setFocus1('+nn+')',3500);
	nn++;
	tt=setTimeout('change_img()',3500);
}

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";
	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";
	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";
	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";
	break;
	}
}