$(document).ready(function(){
	/* 广告 */
	var j = 0;
	$(".advertisement").each(function(){
		var thisObj = $(this);
		var window_html = thisObj.html();
		var position = thisObj.find("span").html();
		//固定位广告
		if(position == ""){
			$(".adv:eq("+j+")").html(thisObj.find("content").html());
			j++;
		}else {
		//弹框广告
			var pos_array = position.split(":");
			var x = pos_array[0];
			var y = pos_array[1];
			thisObj.show().mywin({left : x,top : y});
		}
	});
	
	
	/* 首页展图 */
	var position = "";		// 展图的位置		
	var index_top_toggle = $(".index_top_toggle");
	/*var toggle_button = index_top_toggle.next();
	var toggle_button_image = toggle_button.find("img");
	var high = toggle_button.next().html();
	var button_down = '/image/i_next.gif';*/
	if(index_top_toggle.length!=0){
		var w = $(".box").width();
		index_top_toggle.css("background-image","url('/image/jd_bg.jpg')").css("background-repeat","repeat-x").find("img").width(w);
		if(position!=""){
			$("."+position).after(index_top_toggle);
		}
		//toggle_button_image.attr("src",button_down);
		index_top_toggle.slideDown(3000,function(){
			setTimeout(function(){
				index_top_toggle.slideUp(3000);
				//toggle_button.show();
			},5000);
		});
		index_top_toggle.click(function(){
			index_top_toggle.stop().slideUp(3000);
			//toggle_button.show();
		});
		
		/*toggle_button.click(function(){
			toggle_button.hide();
			index_top_toggle.find("img").height(high);
			index_top_toggle.height(high).slideDown(3000);
		});*/
	}
});

$.fn.mywin = function(position, hidefunc, initPos) { 
    if (position && position instanceof Object) { 
        var positionleft = position.left; 
        var positiontop = position.top; 
        var left; 
        var top; 
        var windowobj = $(window); 
        var currentwin = this; 
        var cwinwidth; 
        var cwinheight; 
        var browserwidth; 
        var browserheight; 
        var scrollLeft; 
        var scrollTop; 
        function getBrowserDim() { 
            browserwidth = windowobj.width(); 
            browserheight = windowobj.height(); 
            scrollLeft = windowobj.scrollLeft();
            scrollTop = windowobj.scrollTop();     
        }         
        function calLeft(positionleft, scrollLeft, browserwidth, cwinwidth) { 
            if (positionleft && typeof positionleft == "string") { 
                if (positionleft == "center") { 
                    left = scrollLeft + (browserwidth - cwinwidth) / 2;     
                } else if (positionleft == "left") { 
                    left = scrollLeft;     
                } else if (positionleft == "right") { 
                    left = scrollLeft + browserwidth - cwinwidth;
                    if ($.browser.safari) { 
                        left = left - 15; 
                    } 
                    if ($.browser.opera) { 
                        left = left + 15; 
                    } 
                    if ($.browser.msie && $.browser.version.indexOf("8") >= 0) { 
                        left = left - 20; 
                    } 
                } else  { 
                    left = scrollLeft + (browserwidth - cwinwidth) / 2;     
                } 
            } else if (positionleft && typeof positionleft == "number") { 
                left = positionleft; 
            } else { 
                left = 0; 
            } 
        }     
        function calTop(positiontop, scrollTop, browserheight, cwinheight) { 
            if (positiontop && typeof positiontop == "string") { 
                if (positiontop == "center") { 
                    top = scrollTop + (browserheight - cwinheight) / 2; 
                } else if (positiontop == "top") { 
                    top = scrollTop; 
                } else if (positiontop == "bottom") { 
                    top = scrollTop + browserheight - cwinheight; 
                    if ($.browser.opera) { 
                        top = top - 25; 
                    } 
                } else { 
                    top = scrollTop + (browserheight - cwinheight) / 2; 
                } 
            } else if (positiontop && typeof positiontop == "number") { 
                top = positiontop; 
            } else { 
                top = 0; 
            } 
        } 
        function moveWin() { 
            calLeft(currentwin.data("positionleft"), scrollLeft, browserwidth, cwinwidth); 
            calTop(currentwin.data("positiontop"), scrollTop, browserheight, cwinheight); 
            currentwin.animate({ 
                left: left, 
                top: top 
            },600);     
        } 
        currentwin.children(".title").children("img").click(function() { 
            if (!hidefunc) { 
                currentwin.hide("slow")    ; 
            } else { 
                hidefunc(); 
            } 
        }); 
        if (initPos && initPos instanceof Object) { 
            var initLeft = initPos.left; 
            var initTop = initPos.top; 
            if (initLeft && typeof initLeft == "number") { 
                currentwin.css("left", initLeft);     
            } else { 
                currentwin.css("left", 0); 
            } 
            if (initTop && typeof initTop == "number") { 
                currentwin.css("top", initTop);     
            } else { 
                currentwin.css("top", 0); 
            } 
            currentwin.show(); 
        } 
        cwinwidth = currentwin.outerWidth(true); 
        cwinheight = currentwin.outerHeight(true); 
        currentwin.data("positionleft", positionleft); 
        currentwin.data("positiontop", positiontop); 
        getBrowserDim(); 
        moveWin(); 
        var scrollTimeout; 
        $(window).scroll(function(){ 
            if (!currentwin.is(":visible")) { 
                return;     
            } 
            clearTimeout(scrollTimeout); 
            scrollTimeout = setTimeout(function(){ 
                getBrowserDim();         
                moveWin(); 
            },300); 
        }); 
        $(window).resize(function(){ 
            if (!currentwin.is(":visible")) { 
                return;     
            } 
            getBrowserDim();     
            moveWin();     
        }); 
        return currentwin; 
    } 
}