var layerRef="";
	var layerStyleRef="";
	var styleSwitch="";
	var currTop=540;
  var currLeft=1000;
	var pxSwitch="";
	var holdS=0;

		function navType() {
		if (navigator.appName == "Netscape") {
		layerStyleRef="layer.";
		layerRef="document.layers";
		styleSwitch="";
		pxSwitch="";
	}else{
		layerStyleRef="layer.Style.";
		layerRef="document.all";
		styleSwitch=".style";
		pxSwitch="px";
		}
}

	function moveLayerUp() {
			if (currTop != 20) {
			currTop-=20;
			eval (layerRef+'["myLogo"]'+styleSwitch+'.top = "'+currTop+pxSwitch+'"');
			   }
			setTimeout('moveLayerUp()',100);
}

function moveLayer() {
				navType();
				moveLayerUp();
}

	function showL1(layerName) {
	navType();
	eval (layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
	}

	function hideL1(layerName) {
		navType();
		eval (layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
	}

	function playClick(sound_name) {	
  			if (navigator.appName == "Netscape") {	
    			eval('document.'+sound_name+'.play(false)');
  			}
		}

function chkSize() {
	if (window.width < 800) {
	alert("Your window size is less than the recommended 800x600 pixels.");
	}
}

	function moveLayerLeft() {
			if (currLeft != 340) {
			currLeft-=20;
			eval(layerRef+'["myLogo2"]'+styleSwitch+'.left = "'+currLeft+pxSwitch+'"');
			   }
			setTimeout('moveLayerLeft()',100);
}

function moveLayer2() {
				navType();
				moveLayerLeft();
}