$(function(){
	var kf = $(".keifu");
	var wkbox = $(".keifu_box");
	var kf_close = $(".keifu .keifu_close");
	var icon_keifu = $(".icon_keifu");
	var kh = wkbox.height();
	var kw = wkbox.width();
	var wh = $(window).height();
	kf.css({height:kh});
	icon_keifu.css("top",parseint((kh-100)/2));
	var kf_top = (wh-kh)/2;
	if(kf_top<0) kf_top=0;
	kf.css("top",kf_top);
	kf.attr("style","width:26px");
	$(kf_close).click(function(){
		kf.animate({width:"0"},200,function(){
			wkbox.hide();
			icon_keifu.show();
			kf.animate({width:26},0);
		});	
	});
	$(icon_keifu).click(function(){
			$(this).hide();
			wkbox.show();
			kf.animate({width:kw},200);
	});
});