function pop(title, content,width) {
	this.params={};
	this.win = window.top;
	var html = '<div class="popMod hide">';
	html += '<div class="filter"><iframe></iframe></div>';
	html += '<div class="popBox">';
	html += '<div class="popTit"><span class="text">' + title;
	html += '</span><span class="colseBtn""></span></div>';
	if(content)
	{
		html += '<div class="popConBox">' + content + '</div>';
	}
	html += '<p class="btn_list"></p>';
	html += '</div></div>';
	this.jqContent =this.win.$(html);
	//$(this.win.document.body).append(this.jqContent);
	this.jqContent.appendTo(this.win.document.body);
	this.jqContent.find(".popTit>.colseBtn").click(function() {
		this.hide();
	}.bind(this));
	if(width)
	{
		this.jqContent.find(".popBox").css("width",width+"px");
	}
}
pop.prototype.hide=function(){
	this.jqContent.hide();
	this.win.onPopScroll=false;
};
pop.prototype.show=function(){
	this.win.onPopScroll= this.toCenter.bind(this);
	if(!this.win.hasAddPopScroll)
	{
		this.win.hasAddPopScroll=true;
		var oldonscroll = this.win.onscroll;
		if(typeof oldonscroll != 'function')
		{
	    	this.win.onscroll = function(){
	            if(window.onPopScroll)
	            {
	            	window.onPopScroll();
	            }
	        };
		}
		else
		{
			this.win.onscroll = function(){
				oldonscroll.apply(this,arguments);
	            if(window.onPopScroll)
	            {
	            	window.onPopScroll();
	            }
	        };
		}
	}
    this.jqContent.show();
    this.toCenter();
};
pop.prototype.close=function(){
	this.win.onPopScroll=false;
	this.jqContent.remove();
	this.win.onPopScroll=null;
};
pop.prototype.open=function(){
	this.jqContent.appendTo(this.win.document);
	this.show();
};
pop.prototype.destroy=function(){
	delete this.jqContent;
	//在ie下会报错，价格try算了
	try{
		delete this;
	}
	catch(e){}
};
pop.prototype.addButton=function(btnName,click){
	this.win.$('<button onmouseover="shover(this,\'btn_red_01\')" onmouseout="shover(this,\'btn_red\')" class="btn_red">'+btnName+'</button>')
	.appendTo(this.jqContent.find(".btn_list"))
	.click(click).get(0).pop=this;
};
pop.prototype.toCenter=function(){
	var doc=this.win.document;
	var mod=this.jqContent.get(0);
	var pop=this.jqContent.find('.popBox').get(0);
    var documentHeight=doc.documentElement.scrollHeight;
	mod.style.width = doc.documentElement.scrollWidth + "px";
	mod.style.height = documentHeight + "px";
    if(!-[1,])
    {
        var filter=this.findByJQ(".filter").get(0);
        filter.style.height = documentHeight+"px";
    }
    pop.style.left = (doc.documentElement.scrollLeft + (doc.documentElement.clientWidth - pop.offsetWidth) / 2) + "px";//左右居中		
    var T=0;
    if(doc.documentElement.clientHeight-pop.offsetHeight>0)
 	{
	 	T = doc.documentElement.scrollTop+(doc.documentElement.clientHeight-pop.offsetHeight)/2;//上下居中	
	}
    pop.style.top=doc.body.scrollTop+T+'px';
};
pop.prototype.findByJQ=function(select)
{
	return this.jqContent.find(select);
};
pop.prototype.setOuterParam=function(name,value)
{
	if(!this.params)
	{
		this.params={};
	}
	this.params[name]=value;
};
pop.prototype.getOuterParam=function(name)
{
	return this.params[name];
};