// JavaScript Document by yuquanjun
function nowlink(xx,yy,a)
{
	dom=document.getElementById(xx).getElementsByTagName("span");
	dom1=document.getElementById(yy).getElementsByTagName("span");
	for(i=0;i<dom.length;i++)
	{
		dom[i].className='boxb';
		dom1[i].className='nolk';
	}
	dom[a].className='boxa';dom1[a].className='yelk';
}
function nowlink3(xx,yy,a)
{
	dom=document.getElementById(xx).getElementsByTagName("span");
	dom1=document.getElementById(yy).getElementsByTagName("span");
	for(i=0;i<dom.length;i++)
	{
		dom[i].className='boxd';
		dom1[i].className='nolk';
	}
	dom[a].className='boxc';dom1[a].className='yelk';
}

function nowlink1(xx,yy,a)
{
	dom=document.getElementById(xx).getElementsByTagName("span");
	dom1=document.getElementById(yy).getElementsByTagName("span");
	for(i=0;i<dom.length;i++)
	{
		dom[i].className='show_d';
		dom1[i].className='nolk';
	}
	dom[a].className='show_c';dom1[a].className='yelk';
}
function nowlink2(xx,yy,a)
{
	dom=document.getElementById(xx).getElementsByTagName("span");
	dom1=document.getElementById(yy).getElementsByTagName("span");
	for(i=0;i<dom.length;i++)
	{
		dom[i].className='show_f';
		dom1[i].className='nolk';
	}
	dom[a].className='show_e';dom1[a].className='yelk';
}