document.getElementsByClassName = function(cl) {var retnode = [];var myclass = new RegExp('\\b'+cl+'\\b');var elem = this.getElementsByTagName('*');for (var j = 0; j < elem.length; j++) {var classes = elem[j].className;if (myclass.test(classes)) retnode.push(elem[j]);}return retnode;}
function gd(d){return document.getElementById(d);}
function gc(c){return document.getElementsByClassName(c);}
function g(o){return document.getElementById(o);}

//显隐代码开始
function ermenu(ud){
var d=gd(ud);
if(d.style.display=="none"){
		d.style.display="block";
		}else{
			d.style.display="none";
		}
	}
function showmsg(ud,type){
	var d=gd(ud);
	
	if(type=='show'){d.style.display="block";}
	if(type=='hidden'){d.style.display="none";}
	}
//代码开始
function HoverLi(n){
for(var i=1;i<=6;i++){
g('tb_'+i).className='';g('tbc_0'+i).style.display = "none";
}
g('tb_'+n).className='on';
g('tbc_0'+n).style.display = "block";
}

function aHoverLi(n){
for(var i=1;i<=4;i++){
g('tba_'+i).className='';g('tbac_0'+i).style.display = "none";
}
g('tba_'+n).className='on';
g('tbac_0'+n).style.display = "block";
}

function bHoverLi(n){
for(var i=1;i<=3;i++){
g('tbb_'+i).className='';g('tbbc_0'+i).style.display = "none";
}
g('tbb_'+n).className='on';
g('tbbc_0'+n).style.display = "block";
}


function cHoverLi(n){
for(var i=1;i<=3;i++){
g('tbc_'+i).className='';g('tbcc_0'+i).style.display = "none";
}
g('tbc_'+n).className='on';
g('tbcc_0'+n).style.display = "block";
}

function dHoverLi(n){
for(var i=1;i<=15;i++){
g('tbd_'+i).className='';g('tbdc_0'+i).style.display = "none";
}
g('tbd_'+n).className='on';
g('tbdc_0'+n).style.display = "block";
}

function eHoverLi(n){
for(var i=1;i<=8;i++){
g('tbe_'+i).className='';g('tbec_0'+i).style.display = "none";
}
g('tbe_'+n).className='on';
g('tbec_0'+n).style.display = "block";
}

function fHoverLi(n){
for(var i=1;i<=7;i++){
g('tbf_'+i).className='';g('tbfc_0'+i).style.display = "none";
}
g('tbf_'+n).className='on';
g('tbfc_0'+n).style.display = "block";
}




//如果要做成点击后再转到请将<li>中的onmouseover 改成 onclick;