一段图片左右箭头之上一张下一张

$('img.view:first').bind('init', function() {_clickPNBtn = function(ev) {var _url = $(ev).attr('href');if (_url && _url != '' && !/^javascript:/.test(_url)) {location.href = _url;} else {$(ev).trigger('click');}};var x = $(this).scrollLeft() + $(this).offset().left + $(this).width() / 2;var w = $(this).width() / 10;$(this).bind('mouseover mousemove', function(ev) {if (ev.clientX < x - w) {$(this).css('cursor', 'url("/static/images/left.cur"), auto');} else if (ev.clientX > x + w) {$(this).css('cursor', 'url("/static/images/right.cur"), auto');} else {$(this).css('cursor', '');}}).bind('click', function(ev) {if (ev.clientX < x - w) {_clickPNBtn($("span.prev a"));} else if (ev.clientX > x + w) { _clickPNBtn($("span.next a"));}});}).trigger('init');