var nowlayer = 0;
			var newlayer = 0;
			var movlock = 0;


			function openLayer() {

				if(navigator.appName.charAt(0)=="N"){
					document.layers['main'+newlayer].Top += 57;
					document.layers['menu'+newlayer].Top += 57;
					if (document.layers['main'+newlayer].Top >= 100) {
						nowlayer = newlayer;
						clearInterval(timer);
						movlock=0;
					}
				}

				if(navigator.appName.charAt(0)=="M"){
					document.all['main'+newlayer].style.pixelTop += 57;
					document.all['menu'+newlayer].style.pixelTop += 57;
					if (document.all['main'+newlayer].style.pixelTop >= 100) {
						nowlayer = newlayer;
						clearInterval(timer);
						movlock=0;
					}
				}

			}


			function closeLayer() {

				if(navigator.appName.charAt(0)=="N"){
					if (nowlayer == 0) {
						clearInterval(timer);
						timer = setInterval('openLayer()',5);
					}
					document.layers['main'+nowlayer].Top -= 57;
					document.layers['menu'+nowlayer].Top -= 57;
					if (document.layers['main'+nowlayer].Top <= -600) {
						clearInterval(timer);
						if (nowlayer == newlayer) {
							nowlayer = 0;
							movlock=0;
						} else {
							timer = setInterval('openLayer()',5);
						}
					}
				}

				if(navigator.appName.charAt(0)=="M"){
					if (nowlayer == 0) {
						clearInterval(timer);
						timer = setInterval('openLayer()',5);
					}
					document.all['main'+nowlayer].style.pixelTop -= 57;
					document.all['menu'+nowlayer].style.pixelTop -= 57;
					if (document.all['main'+nowlayer].style.pixelTop <= -600) {
						clearInterval(timer);
						if (nowlayer == newlayer) {
							nowlayer = 0;
							movlock=0;
						} else {
							timer = setInterval('openLayer()',5);
						}
					}
				}
			}


			function cngLayer(clayer) {
				if(movlock==0) {
					movlock=1;
					newlayer = clayer;
					timer = setInterval('closeLayer()',5);
				}
			}