if (document.images) {
    // start preloading images
    var homeNav = new Image();
    homeNav.src = '/img/header_nav_home.gif';

    var salesNav = new Image();
    salesNav.src = '/img/header_nav_sales.gif';
    
    var residencesNav = new Image();
    residencesNav.src = '/img/header_nav_residences.gif';
    
    var neighborhoodNav = new Image();
    neighborhoodNav.src = '/img/header_nav_neighborhood.gif';
    // end preloading images
}

function swap( theTargetImage, theSourceImage ) {
    if (document.images) {
        theTargetImage.src = theSourceImage.src;
    }
}

function displayEmail() {
    with (document) {
        open();
        write("<a href=\"mail");
        write("to:inf");
        write("o@emp");
        write("ireview.com\">");
        write("inf");
        write("o@emp");
        write("ireview.com</a>");
        close();
    }
}

function openImg( url, vert, caption ) {
    var d = new Date();
    var ms = d.getTime();
    var strOptions = "";
    
    if (vert == false) {
        strOptions = "height=450,width=579";
    } else {
        strOptions = "height=579,width=450";
    }
    
    var w = window.open( '', 'w' + ms, strOptions );
    
    with (w.document) {
        open();
        writeln('<html><head><title>' + caption);
        writeln('</title></head><body style="margin: 0; padding: 0;">');
        writeln('<img src="' + url + '" alt="' + caption + '" />');
        writeln('</body></html>');
        close();
    }
}
