function setMenu(loc) {
    var myMenu = document.getElementById("menu_"+loc);
    var myImg = document.getElementById("menu_"+loc+"_img");
    
    myMenu.className = "on";
    myImg.src = "../images/menu_"+loc+"_blue.png";
}

function setMenuNews(loc) {
    var myMenuNews = document.getElementById("newsmenu_"+loc);    
    myMenuNews.className = "on";
}

var mainImgs = new Array();
    mainImgs[0] = "../images/main_couplecruise.jpg";
    mainImgs[1] = "../images/main_couplebeach.jpg";
    mainImgs[2] = "../images/main_couplewater.jpg";
    mainImgs[3] = "../images/main_couplewoods.jpg";
    mainImgs[4] = "../images/main_grandparentsbikes.jpg";
    mainImgs[5] = "../images/main_womanflowers.jpg";
    /* mainImgs[6] = "../images/main_womenfaces.jpg"; -- Title covers faces */
    

function setMainImg() {
    var rand = Math.floor(Math.random()*6);
    var mainImg = document.getElementById("main_img_box");
    mainImg.style.backgroundImage =  "url(" + mainImgs[rand] + ")";
}

function show(elem) {
    var myElem = document.getElementById(elem);
    myElem.style.display = "block";
}

function hide(elem) {
    var myElem = document.getElementById(elem);
    myElem.style.display = "none";
}