document.write('<div id="china_ads_div405" style="width:300px">');
document.write('<div style="text-align:right;padding-right:5px;font-weight:700;cursor: pointer;font-size:12px;color:#000067;background:#CAEBFE;border:1px #245286 solid;border-bottom:0" onclick="document.getElementById(\'china_ads_div405\').style.display=\'none\'">Close</div>');
document.write('<div><img src="http://www.tenchong.com/msn/msn.gif" width="300" height="210" border="0"></div>');
document.write('</div>');
	var Class = {
	  create: function() {
	    return function() {
	      this.initialize.apply(this, arguments);
	    }
	  }
	}
	Function.prototype.bind = function() {
	  var __method = this, args = $A(arguments), object = args.shift();
	  return function() {
	    return __method.apply(object, args.concat($A(arguments)));
	  }
	}
	var $A = Array.from = function(iterable) {
	  if (!iterable) return [];
	  if (iterable.toArray) {
	    return iterable.toArray();
	  } else {
	    var results = [];
	    for (var i = 0; i < iterable.length; i++)
	      results.push(iterable[i]);
	    return results;
	  }
	}
	var Float = Class.create();
	Float.prototype = {
		initialize: function(elem, options) {
			this.toDo = options.toDo || function(){},
			this.bodyScrollTop = document.documentElement.scrollTop || document.body.scrollTop,
			this.bodyScrollLeft = document.documentElement.scrollLeft || document.body.scrollLeft,
			this.element = document.getElementById(elem);
			this.dely = options.dely || 500;
			this.top = options.top || 0;
			this.left = options.left || 0;
			
		},
		start:function(){
			if(!this.element){
				alert('please set a element first!');
				return false;
			}
			this.element.style.position = 'absolute';
			this.toDo();
			setInterval(this.toDo.bind(this),this.dely)
		}
	}
var f = new Float('china_ads_div405',{dely:100,
	toDo:function(){
		var isIE = document.all && window.external;
		this.bodyScrollTop = document.documentElement.scrollTop || document.body.scrollTop;
		this.bodyScrollLeft = document.documentElement.scrollLeft || document.body.scrollLeft;
		if(isIE){
			this.docWidth = document.documentElement.clientWidth || document.body.clientWidth;
			this.docHeight = document.documentElement.clientHeight || document.body.clientHeight;
		}else{
			this.docWidth = (document.body.clientWidth > document.documentElement.clientWidth)?document.documentElement.clientWidth:document.body.clientWidth;
			this.docHeight = (document.body.clientHeight > document.documentElement.clientHeight)?document.documentElement.clientHeight:document.body.clientHeight;
		}
		this.element.style.top = (this.docHeight - parseInt(this.element.offsetHeight,10)) + parseInt(this.bodyScrollTop, 10)+ 'px';
		this.element.style.left = (this.docWidth - parseInt(this.element.offsetWidth,10)) + parseInt(this.bodyScrollLeft, 10) + 'px';
	}
});
f.start();