var currslid = 0;
var slidint;
function setfoc(id) {

    document.getElementById("focpic").src = picarry[id];
    document.getElementById("foclnk").href = lnkarry[id];

    currslid = id;
    for (i = 0; i < 4; i++) {

    };
    var focpic = document.getElementById("focpic")

    focpic.style.visibility = "hidden";

    if (focpic.style.visibility == "visible") {
        focpic.style.visibility = "hidden";

    } else {
        focpic.style.visibility = "visible";


    }
    stopit();

}
function playnext() {
    if (currslid == 3) {
        currslid = 0;
    }
    else {
        currslid++;
    };
    setfoc(currslid);
    playit();
}
function playit() {
    slidint = setTimeout(playnext, 3000);
}
function stopit() {
    window.clearTimeout(slidint);
}
window.onload = function() {
    playit();
}