// JavaScript Document


//菜单切换
function swap_tab(n)
{
	for(var i=2;i<=4;i++)
	{
		var curC=document.getElementById("top"+i);
		var curB=document.getElementById("centen_top"+i);
		var curA=document.getElementById("sanjiao"+i);
		

		if(n==i)
		{
			curC.style.display="block";
			curB.className="daohang";
		    curA.style.display="block";
			
		}
		else
		{
			curC.style.display="none";
			curB.className="daohang1";
			curA.style.display="none";
		}
	}
}


function swap_tab1(n)
{
	for(var i=2;i<=3;i++)
	{
		var curC=document.getElementById("center"+i);
		var curB=document.getElementById("centen_center"+i);
		var curA=document.getElementById("sanjiao_c"+i);

		if(n==i)
		{
			curC.style.display="block";
			curB.className="daohang3";
			curA.style.display="block";
		}
		else
		{
			curC.style.display="none";
			curB.className="daohang2";
			curA.style.display="none";
		}
	}
}

function swap_tab2(n)
{
	for(var i=2;i<=3;i++)
	{
		var curC=document.getElementById("bottom"+i);
		var curB=document.getElementById("centen_bottom"+i);
		var curA=document.getElementById("sanjiao_b"+i);

		if(n==i)
		{
			curC.style.display="block";
			curB.className="daohang";
			curA.style.display="block";
		}
		else
		{
			curC.style.display="none";
			curB.className="daohang1";
			curA.style.display="none";
		}
	}
}

function swap_tab3(n)
{
	for(var i=4;i<=5;i++)
	{
		var curC=document.getElementById("bottom"+i);
		var curB=document.getElementById("left_bottom"+i);
        var curA=document.getElementById("sanjiao_lb"+i);
		
		if(n==i)
		{
			curC.style.display="block";
			curB.className="daohang";
			curA.style.display="block";
		}
		else
		{
			curC.style.display="none";
			curB.className="daohang1";
			curA.style.display="none";
		}
	}
}


function swap_tab4(n)
{
	for(var i=1;i<=12;i++)
	{
		var curA=document.getElementById("dh"+i);
		var curB=document.getElementById("dh"+n);

		if(n==i)
		{
			curB.className="current";
		}
		else
		{
			curB.className="current";
			curA.className=" ";
		}
	}
}