/* Hiding Divs */

function MM_findObj(n, d) { //v4.01
        var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) 
        {
        d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
        if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) 
        x=d.forms[i][n];
        for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
        if(!x && d.getElementById) x=d.getElementById(n); return x;
        }
      function MM_showHideLayers() { //v3.0
        var i,p,v,obj,args=MM_showHideLayers.arguments;
        for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) 
        { v=args[i+2];
        if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; 
        }
        obj.visibility=v; }
        }
	  function hideLayers() {
        MM_showHideLayers('video','','hide')
        MM_showHideLayers('divUpControlMain','','hide')
        MM_showHideLayers('divDownControlMain','','hide')
        }
	  function showLayers() {
        MM_showHideLayers('video','','show')
        MM_showHideLayers('divUpControlMain','','show')
        MM_showHideLayers('divDownControlMain','','show')
        }