var d;
	function SwitchTab(id)
	{		
		window.clearTimeout(d);
		switch(id)
		{
		case 1:
			document.getElementById("tab1").style.display="";
			document.getElementById("tab2").style.display="none";
			document.getElementById("tab3").style.display="none";
			document.getElementById("tab4").style.display="none";
			document.getElementById("tab5").style.display="none";
			document.getElementById("btn_i1").background="image/tou_03.png";
			document.getElementById("btn_i1").style.color="#ffffff";
			document.getElementById("btn_i2").style.color="#000000";
			document.getElementById("btn_i3").style.color="#000000";
			document.getElementById("btn_i4").style.color="#000000";
			document.getElementById("btn_i5").style.color="#000000";
			document.getElementById("btn_i2").background="image/tou_04.png";
			document.getElementById("btn_i3").background="image/tou_04.png";
			document.getElementById("btn_i4").background="image/tou_04.png";
			document.getElementById("btn_i5").background="image/tou_04.png";
			break;
		case 2:
		    document.getElementById("tab1").style.display="none";
			document.getElementById("tab2").style.display="";
			document.getElementById("tab3").style.display="none";
			document.getElementById("tab4").style.display="none";
			document.getElementById("tab5").style.display="none";			
			document.getElementById("btn_i1").background="image/tou_04.png";
			document.getElementById("btn_i2").background="image/tou_03.png";
			document.getElementById("btn_i3").background="image/tou_04.png";
			document.getElementById("btn_i4").background="image/tou_04.png";
			document.getElementById("btn_i5").background="image/tou_04.png";
			document.getElementById("btn_i1").style.color="#000000";
			document.getElementById("btn_i2").style.color="#ffffff";
			document.getElementById("btn_i3").style.color="#000000";
			document.getElementById("btn_i4").style.color="#000000";
			document.getElementById("btn_i5").style.color="#000000";
			break;
		case 3:
			document.getElementById("tab1").style.display="none";
			document.getElementById("tab2").style.display="none";
			document.getElementById("tab3").style.display="";
			document.getElementById("tab4").style.display="none";
			document.getElementById("tab5").style.display="none";
			document.getElementById("btn_i1").background="image/tou_04.png";
			document.getElementById("btn_i2").background="image/tou_04.png";
			document.getElementById("btn_i3").background="image/tou_03.png";
			document.getElementById("btn_i4").background="image/tou_04.png";
			document.getElementById("btn_i5").background="image/tou_04.png";
			document.getElementById("btn_i1").style.color="#000000";
			document.getElementById("btn_i2").style.color="#000000";
			document.getElementById("btn_i3").style.color="#ffffff";
			document.getElementById("btn_i4").style.color="#000000";
			document.getElementById("btn_i5").style.color="#000000";
			
			break;
			case 4:
			document.getElementById("tab1").style.display="none";
			document.getElementById("tab2").style.display="none";
			document.getElementById("tab3").style.display="none";
			document.getElementById("tab4").style.display="";
			document.getElementById("tab5").style.display="none";
			document.getElementById("btn_i1").background="image/tou_04.png";
			document.getElementById("btn_i2").background="image/tou_04.png";
			document.getElementById("btn_i3").background="image/tou_04.png";
			document.getElementById("btn_i4").background="image/tou_03.png";
			document.getElementById("btn_i5").background="image/tou_04.png";
			document.getElementById("btn_i1").style.color="#000000";
			document.getElementById("btn_i2").style.color="#000000";
			document.getElementById("btn_i3").style.color="#000000";
			document.getElementById("btn_i4").style.color="#ffffff";
			document.getElementById("btn_i5").style.color="#000000";
			break;
			case 5:
			document.getElementById("tab1").style.display="none";
			document.getElementById("tab2").style.display="none";
			document.getElementById("tab3").style.display="none";
			document.getElementById("tab4").style.display="none";
			document.getElementById("tab5").style.display="";
			document.getElementById("btn_i1").background="image/tou_04.png";
			document.getElementById("btn_i2").background="image/tou_04.png";
			document.getElementById("btn_i3").background="image/tou_04.png";
			document.getElementById("btn_i4").background="image/tou_04.png";
			document.getElementById("btn_i5").background="image/tou_03.png";
			document.getElementById("btn_i1").style.color="#000000";
			document.getElementById("btn_i2").style.color="#000000";
			document.getElementById("btn_i3").style.color="#000000";
			document.getElementById("btn_i4").style.color="#000000";
			document.getElementById("btn_i5").style.color="#ffffff";
			break;
		}
	}
	
	function TurnRun()
	{
		switch(ly)
		{
		case 1:
			SwitchTab(2);
			ly=0;
			//d=setTimeout("TurnRun()",2000);
			window.clearTimeout(d);
			break;
		case 2:
			SwitchTab(1);
			ly=0;
			d=setTimeout("TurnRun()",5000);
			break;
		case 3:
			ly=1;
			d=setTimeout("TurnRun()",2000);
			break;
		default:
			SwitchTab(2);
			window.clearTimeout(d);
			break;
		}
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