window.clickedPane = null;
window.OpenPanel = null;

function showPane(o, pane)
{
    if( document.getElementById('PaneActive').style.display == 'block' ){
        document.getElementById('PaneActive').style.display = 'none'
        document.getElementById('tabMenu').firstChild.className = '';
   }
           
       var panes = document.getElementById("Panes").getElementsByTagName("a");
       for (var i=0; i< panes.length; i++){
	   		document.getElementById('PaneSurveiled').style.display = 'none'
           panes[i].className = "";
           panes[i].parentNode.className = "";
       }
       if (OpenPanel)
        OpenPanel.style.display = "none";

    o.className = "active";
    o.parentNode.className = "activeLi";
    
    var oPane = document.getElementById (pane)
        oPane.style.display = "block";
    
    clickedPane = o;
    OpenPanel = oPane;
}