/*
function：加入收藏夹
parameter：
weburl 网址
webname 网站名称
author:118ss@163.com
example:
*/
function addfavorite(weburl,webname)
{
	if (document.all)
	{
	  window.external.addFavorite(weburl,webname);
	}
	else if (window.sidebar)
	{
	  window.sidebar.addPanel(webname,weburl,"");
	}
}

/*
function：设为首页
parameter：
o 对象
weburl 网址
author:118ss@163.com
example:sethome(this, http://www.bjsjwl.com)
*/
function sethome(o,weburl)
{
	if (document.all)
	{
	  o.style.behavior='url(#default#homepage)';
	  o.setHomePage(weburl);
	}
	else if (window.sidebar)
	{
	  o.style.behavior='url(#default#homepage)';
	  o.setHomePage(weburl);
	}
}

/*
function：设置png透明
parameter：
weburl 网址
webname 网站名称
author:118ss@163.com
example:<IMG src="b_a1.png" onload="setPng(this, 98, 73);" align=absMiddle>
*/
function setPng(img, w, h) 
{
	ua = window.navigator.userAgent.toLowerCase();
	if(!/msie/.test(ua))
		return;
	imgStyle = "display:inline-block;" + img.style.cssText;
	strNewHTML = "<span style=\"width:" + w + "px; height:" + h + "px;" + imgStyle + ";" + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + img.src + "', sizingMethod='scale');\"></span>";
	img.outerHTML = strNewHTML;
}

/*
function：划门显示
parameter：
name 划门表示名
cursel 选中项id
n 划门元素个数
author:118ss@163.com
example:
*/
function setlump(name,cursel,n,classid,moreid,lumphover,lumpout){
	for(i=1;i<=n;i++){
		var menu=document.getElementById(name+i);
		var con=document.getElementById("con_"+name+"_"+i);
		document.getElementById(moreid).href="news/news.asp?classid="+classid;
		menu.className=i==cursel?lumphover:lumpout;
		con.style.display=i==cursel?"block":"none";
	}
}

//双击鼠标滚动屏幕的代码
var currentpos,timer;
function initialize()
{
timer=setInterval ("scrollwindow ()",30);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos !=document.body.scrollTop)
sc();
}
document.onmousedown=sc
document.ondblclick=initialize