//Define global variables

	    var timerID = null;
		var timerOn = false;
		var timecount = 1000;
		var what = null;
		var layerRef;
		var styleSwitch;
		var newbrowser = true;
		var check = false;
		var timerColor = null;
		var timerColorOn = false;
		var linkElement = null;
		

    	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){
        			document.getElementById(layerName).style.visibility="visible";
		}

        function hideLayer(layerName){
        			document.getElementById(layerName).style.visibility="hidden";
        }


		function hideAll()
		{
			hideLayer('HabillementsOperatoires');
			hideLayer('ProtectionsOperatoires');
			hideLayer('Instrumentation');
			hideLayer('HygieneDesMains');
			hideLayer('DesinfectionInstruments');
			hideLayer('DesinfectionSurfaces');
			hideLayer('Sterilisation');
			hideLayer('UsageUnique');
			hideLayer('Sutures');
		}

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

		function stopTime() 
		{
	        if (timerOn) 
			{
    	        clearTimeout(timerID);
                timerID = null;
                timerOn = false;
			}
		}
		
		function showStatus(sMsg) 
		{
    		window.status = sMsg ;
    		return true ;
		}
		
   		
		function setSelected(sel_id)
		{
			selectednow = sel_id;
		}
		
		function onLoad()
		{
			init();
		}