function swapSiteBanner(keywords){
    var keywordColors=keywords;
    if (keywordColors.indexOf('Blue')>=0){
        document.getElementById('siteBanner').src="images/display/skylines/skylineBlue.jpg";
    }
    else if (keywordColors.indexOf('Green')>=0){
        document.getElementById('siteBanner').src="images/display/skylines/skylineGreen.jpg";
    }
    else if (keywordColors.indexOf('Purple')>=0){
        document.getElementById('siteBanner').src="images/display/skylines/skylinePurple.jpg";
    }
    else if (keywordColors.indexOf('Yellow')>=0){
        document.getElementById('siteBanner').src="images/display/skylines/skylineYellow.jpg";
    }
    else {}
}