var activeSub=0;
var SubNum=0;

function reDo(){ window.location.reload() }
    window.onresize = reDo;


    //Define global variables

	    var timerID = null;
		var timerOn = false;
		var timecount = 1000;
		var what = null;
		var newbrowser = true;
		var check = false;

    	function init(){
    	//  alert ("Running Init");
          if (document.layers) {
                      //  alert ("Running Netscape 4");
                        layerRef="document.layers";
                        styleSwitch="";
                        visibleVar="show";
			screenSize = window.innerWidth;
			what ="ns4";


          }else if(document.all){
                      //  alert ("Running IE");
                        layerRef="document.all";
                        styleSwitch=".style";
                        visibleVar="visible";
			screenSize = document.body.clientWidth + 18;
			what ="ie";

		  }else if(document.getElementById){
                      //  alert ("Running Netscape 6");
                        layerRef="document.getElementByID";
                        styleSwitch=".style";
                        visibleVar="visible";
			what="moz";
		  
		  }else{
		  	//alert("Older than 4.0 browser.");
			what="none";
			newbrowser = false;
		  }
		  
 
		check = true;
  	 	}

	// Turns the layers on and off
        function showLayer(layerName){
        		if (what =="none") return;
	        	else if (what == "moz") document.getElementById(layerName).style.visibility="visible";
        		else eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
		 		}


        function hideLayer(layerName){
        		if (what == "none") return;
        		else if (what == "moz")	document.getElementById(layerName).style.visibility="hidden";
        		else eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
      	}



		function hideAll(){
				hideLayer('about');
				hideLayer('work');
				hideLayer('links');
				document.getElementById('td_about').className="menu_cell_lo";
				document.getElementById('td_work').className="menu_cell_lo";
				document.getElementById('td_links').className="menu_cell_lo";
		}
		
		function hideAll1(){
				hideLayer('prot_model');
				hideLayer('docking');
				hideLayer('protmem');
				hideLayer('membranes');
				hideLayer('mp_model');
				hideLayer('mp_docking');
		}

		function startTime() {
	        if (timerOn == false) {
                timerID=setTimeout( "hideAll()" , timecount);
                timerOn = true;

	        }

		}

		function startTime1() {
	        if (timerOn == false) {
                timerID=setTimeout( "hideAll1()" , timecount);
                timerOn = true;

	        }

		}

		function stopTime() {
	        if (timerOn) {
    	        clearTimeout(timerID);
                timerID = null;
                timerOn = false;
	        }
		}