function changetabs(section) {
    if (document.getElementById("video_tab")) { document.getElementById("video_tab").className = "tabbutton"; document.getElementById("pnl_video").style.display = "none"; }
    if (document.getElementById("photo_tab")) { document.getElementById("photo_tab").className = "tabbutton"; document.getElementById("pnl_photo").style.display = "none"; }
    document.getElementById(section+"_tab").className = "tabbutton_selected";  
    document.getElementById("pnl_"+section).style.display = "block";
}

function changematchtabs(section) {
    if (document.getElementById("fixtures_tab")) { document.getElementById("fixtures_tab").className = "tabbutton"; document.getElementById("pnl_fixtures").style.display = "none"; }
    if (document.getElementById("results_tab")) { document.getElementById("results_tab").className = "tabbutton"; document.getElementById("pnl_results").style.display = "none"; }
    //if (document.getElementById("live_tab")) { document.getElementById("live_tab").className = "tabbutton"; document.getElementById("pnl_live").style.display = "none"; }
    document.getElementById(section+"_tab").className = "tabbutton_selected";  
    document.getElementById("pnl_"+section).style.display = "block";
}