$(function(){
	/*栏目图片高度*/
	var $lbanner = $(".l-banner");
	var imgsrc = $lbanner.find("img").attr("src");
	if(imgsrc==""){
		var imgsrc = $lbanner.find("img").data("imgsrc");
	}
	$lbanner.css("backgroundImage","url("+imgsrc+")");
	$lbanner.find("img").attr("src",imgsrc );
	var siteUrl = $(".sitelogo a").attr("href");
	$('<div id="go-top"><a class="back-home" href="/"></a><a class="back-top" href="http://www.lucky-special.com/news.lucky-special.com/" target="_blank"></a></div>').appendTo('body');
	$(window).scroll(function(event) {
		var scrolltop = $(window).scrollTop();
		if(scrolltop>0){
			$("#jumphandle").show();
		}else{
			$("#jumphandle").hide();
		}
	});
});
/* if($(window).width()>768){
	$(window).scroll(function(event) {
		var winTop =  $(window).scrollTop();
		var conheight = $(".wp-column-menu").height()+130;
		var bodyheight = $("body").innerHeight();
		var winheight = $(window).innerHeight();
		var offtop = $(".wp-foot-top")[0].offsetTop;
		if(winTop>=600 && winTop<=(bodyheight-conheight-240) && conheight < (offtop - winTop)){
			$(".wp-column-menu").css({"position":"fixed","top":"0px","marginTop":"0px"});
		}else{
			$(".wp-column-menu").removeAttr("style");
		}
	});
} */