//选择器
function $a(id,tag){var re=(id&&typeof id!="string")?id:document.getElementById(id);if(!tag){return re;}else{return re.getElementsByTagName(tag);}}

//首页下拉菜单
function ShowList(id,vas)
{
	var zj=$a(id), mb=$a(id,"dt")[0],xs=$a(id,"dd")[0],sj=$a(xs,"li");if(vas!=null){var va=$a(vas);}
	mb.onclick=function(){xs.className="show";};
	zj.onmouseout=function(){xs.className="";};
	xs.onmouseover=function(){xs.className="show";};
	xs.onclick=function(){xs.className="";}
	for(var i=0;i<sj.length;i++){reg(i);}
	function reg(i)
	{
		sj[i]["onmouseover"]=function(){sj[i].className="show";if(vas){va.value=mb.innerHTML= sj[i].innerHTML;}else{mb.innerHTML=$a(sj[i],"a")[0].innerHTML;}}
		sj[i]["onmouseout"]=function(){sj[i].className="";};
	}
}

//点击框文字消失
function clickInput(id,str){var o=$a(id);o.value=str;o.onclick=function(){this.focus();if(this.value==str){this.value="";}};o.onmouseout=function(){if(this.value==""){this.value=str;}}}


//导航处理
function navs(i){
	$a("navid","a")[i].className="show"+i;
	$a("navibg").className="i"+i;
	$a("slinkid").className="slink slink"+i;
	$a("kti").className="kti"+i;
}

function nside(i){
	$a("nsideid","a")[i].className="showside";
	$a("navibg").style.display="none";
	$a("slinkid").className="slink nside"+i;
	$a("kti").className="nsidekti"+i;
}