function churchswap(tippa) {

switch (tippa) {

case 1:

    var topper8841 = document.getElementById("lay1");
         topper8841.style.visibility = "hidden";
		 
    var topper8842 = document.getElementById("lay2");
         topper8842.style.visibility = "visible";
		 
break;

case 2:

    var topper8843 = document.getElementById("lay2");
         topper8843.style.visibility = "hidden";
		 
    var topper8844 = document.getElementById("lay1");
         topper8844.style.visibility = "visible";
		 
break;

}

}