.slider {
	overflow: hidden;
	position: relative;
}
.slider > ul {
	width: 10000px;
    left: 0;
    position: relative;
    top: 0;
}
.slider > ul > li {
    display: block;
    float: left;
    overflow: hidden;
}
.slider_prev, .slider_next {
	cursor: pointer;
	display: block;
	position: relative;
	z-index: 1;
	text-indent: -10000px;
}