// JavaScript Document
// Selects a random banner image and sets keyVisual's src accordingly

function randomBanner() 
{
    if (document.getElementById("tdKeyVisual") != null) 
    {
        var randon = ((Math.random()) * 3) + 1;
        randon = parseInt(randon);
        document.getElementById("tdKeyVisual").style.backgroundImage = "url('" + applicationRoot + "/SiteResources/images/templates/KeyVisuals/KeyVisual" + randon + ".jpg')";
    }
}

function isdefined(variable) {
    return (typeof (variable) == "undefined") ? false : true;
}