$(function(){

	var newbox = document.getelementbyid("newbox_new");
    var newboxtop = 260;
    document.onscroll = function() {
        var doctop = document.body.scrolltop | document.documentelement.scrolltop;
        if (newboxtop < (doctop)) {
			var scrollheight = $(document).height();
			var scrolltop = $(window).scrolltop();
			var $footerheight = $('.footer').outerheight(true);
			var $newboxheight = $('#newbox_new').outerheight(true);
			var $windowheight = $(window).innerheight();	
			if( $newboxheight + 50 < scrollheight - scrolltop - $footerheight ){
				//newbox.setattribute("style", "position:fixed; top: 10px; z-index:200;");
				//newbox.style.csstext = "position:fixed; top: 10px; z-index:200;";
				newbox.classname = "wakaka01";
			}else{
				var nowheight=$windowheight + scrolltop + $footerheight + 50 - scrollheight
				//newbox.setattribute("style", "position:absolute; top: auto; z-index:200; bottom:30px;");
				//newbox.style.csstext = "position:absolute; top: auto; z-index:200; bottom:30px;";
				newbox.classname = "wakaka02";
			}
        } else {
            //newbox.setattribute("style", "");
			newbox.classname = "";
        }
    }
				
	})