//判断是否有浮动广告
if (!window.$initialized_advertisemanage_float) {
	window.$initialized_advertisemanage_float = true;
	
//取当前浏览器显示left
window.getscrollleft = window.getscrollleft || function(){
	return this.pagexoffset || document.documentelement.scrollleft || document.body.scrollleft;
};

//取当前浏览器显示top
window.getscrolltop = window.getscrolltop || function(){
	return this.pageyoffset || document.documentelement.scrolltop || document.body.scrolltop;
};

//取当前浏览器显示width
window.getwidth = window.getwidth || function() {
	return this.innerwidth || document.documentelement.clientwidth || document.body.clientwidth;
};

//取当前浏览器显示height
window.getheight = window.getheight || function() {
	return this.innerheight || document.documentelement.clientheight || document.body.clientheight;
};

//浮动广告js方法定义
var frontadv_float01={



//对广告中文字添加商品或者商品分类链接  参数 s:html链接字符串
wraplinks:function (s) {
			var p = /(<a v="1".*?>)(.*)(<\/a>)/;
			var prefix, sufix;
				if (p.test(s)) {
					prefix = regexp.$1;
					sufix = regexp.$3;
					var ctn = regexp.$2;
					var m, r = "", text, l = 0, p = /<\/?a.*?>/img, stack = [];
					while (m = p.exec(ctn)) {
						if (m[0].indexof("<a") >= 0) {							
							stack.push(m[0]);
							text = ctn.substring(l, m.index);
							l = p.lastindex;
							if (text) r += prefix + text + sufix;
						} else {
							text = ctn.substring(l, m.index);
							r += stack.pop() + text + m[0];
							l = p.lastindex;
						}
					}
					text = ctn.substring(l);
					if (text) r += prefix + text + sufix;
					return r;
				} else {
					return s;
				}
	},
	//页面加载后对每一个浮动广告层进行重新定位及相关设置
	$init:function () {
	var cs = document.getelementsbytagname("div");
		for (var i=0, c; c=cs[i]; i++) {
			if (c.classname.indexof("frontadv_float01-default") >= 0) {
				frontadv_float01.$float(c, parseint(c.getattribute('left') || 0), parseint(c.getattribute('top') || 0));
			}
		}
	},
	//设置浮动广告根据浏览器显示位置，显示浮动广告当前位置。  参数 el:div对象 x:div左位置 y:div上部位置
	$float:function (el, x, y) {
	var reversex = false, reversey = false;
	var fn = function() {
		el.style.left = x + window.getscrollleft() + "px";
		el.style.top = y + window.getscrolltop() + "px";
		x += (reversex ? -1 : 1);
		y += (reversey ? -1 : 1);
		if (x < 0)	{
			x = 0;
			reversex = false;
		}
		var right = window.getwidth() - el.offsetwidth;
		if (x > right) {
			x = right;
			reversex = true;
		}
		if (y < 0)	{
			y = 0;
			reversey = false;
		}
		var bottom = window.getheight() - el.offsetheight;
		if (y > bottom) {
			y = bottom;
			reversey = true;
		}
	}
	el.timer = setinterval(fn, 30);
	el.onmouseover = function() {clearinterval(el.timer);};
	el.onmouseout = function() {el.timer = setinterval(fn, 30);};
	el.style.position = "absolute";
	
	var closes = el.parentnode.getelementsbytagname("div");
	for (var i=0, _e; _e=closes[i]; i++) {
		if (/shut/.test(_e.classname)) _e.onclick = function() {
			var p = this;
			while ((p=p.parentnode) && !/frontadv_float01-default/.test(p.classname));
			  if (p) p.parentnode.removechild(p);
		};
	}
  }
}

}