function $(id)			{return document.getElementById(id)?document.getElementById(id):null;}
function flash(url,w,h)		{document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+w+'" height="'+h+'"><param name="movie" value="'+url+'"><param name="quality" value="high"><param name="wmode" value="transparent"><param name="menu" value="false"><embed src="'+url+'" wmode="transparent" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="'+w+'" height="'+h+'"></embed></object>');}
function marquee(d,w,h,s,str)	{document.write('<marquee behavior="scroll" direction="'+d+'" width="'+w+'" height="'+h+'" scrollamount="'+s+'" scrolldelay="50" onmouseover="this.stop()" onmouseout="this.start()">'+str+'</marquee>');}
function wDate()		{var today = new Date();var yy=today.getFullYear();var mm=today.getMonth()+1;var dd=today.getDate();var isnDays="星期日|星期一|星期二|星期三|星期四|星期五|星期六|星期日".split("|");if(mm<10)mm="0"+mm;if(dd<10)dd="0"+dd;document.write("今天是：" + yy + "年" + mm + "月" + dd + "日&nbsp;" + isnDays[today.getDay()]);}
function addFavourite(t)	{var url="http://"+document.location.hostname+"/";if(window.sidebar){window.sidebar.addPanel(t, url,"");}else if(window.opera && window.print){var mbm = document.createElement('a');mbm.setAttribute('rel','sidebar');mbm.setAttribute('href',url);mbm.setAttribute('title',t);mbm.click();}else if(document.all){window.external.AddFavorite(url, t);}}
function setHomepage(obj)	{obj.style.behavior='url(#default#homepage)';obj.setHomePage('http://'+window.location.hostname+'/');}
function getPosition(e)		{var x = e.offsetLeft;var y = e.offsetTop;while(e = e.offsetParent){x += e.offsetLeft; y += e.offsetTop;};return {"x": x, "y": y};}
function resize(obj,w)		{if(obj.width>w)obj.width=w;}
function s()			{if(!$("key").value){$("search_err").innerHTML='<span style="color:red">请输入产品关键词：</span>';$("key").focus();return;};self.location="products.asp?key=" + escape($("key").value);}
//function s()			{if(!$("key").value){alert("请输入搜索关键词");$("key").focus();return;};self.location="news.asp?key=" + escape($("key").value);}
function showMenu(obj)		{var b=$("nav").offsetTop; var div = obj.getElementsByTagName("div")[0];if(!div)return;if(div.style.position!='absolute')div.style.position='absolute';if(div.style.display == 'none'){div.style.display = '';var xy = getPosition(obj);div.style.left = xy.x + 'px';xy = getPosition(obj.parentNode);div.style.top = b-div.clientHeight+1+'px';}else{div.style.display = 'none';}}
function showSubCategory(id){if(!$("sub-category-"+id))return; var div=$('sub-category-'+id); div.style.display= div.style.display=='none' ? '': 'none';}