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

          if (document.layers) {
                        layerRef="document.layers";
                        styleSwitch="";
                        visibleVar="show";
			screenSize = window.innerWidth;
			what ="ns4";


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

	  	}else if(document.getElementById){
                        layerRef="document.getElementByID";
                        styleSwitch=".style";
                        visibleVar="visible";
			what="moz";
		  
	 	 }else{
			what="none";
			newbrowser = false;
		  }


        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('Community');
				hideLayer('Township');
				hideLayer('Demographics');
				hideLayer('Depts');
				hideLayer('Voter');
				hideLayer('Links');				
				hideLayer('Comms');

				}

		function hideCenter() {
				hideLayer('Planning');
				hideLayer('TwpBoard');
				hideLayer('ZoneAppeals');
				hideLayer('Review');
				hideLayer('BuildAppeals');
				
				}
				
		function hideMap()  {
				hideLayer('Golf');
				hideLayer('Office');
				hideLayer('Parks');
				hideLayer('StParks');
				hideLayer('Other');
				}

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


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