.institute_slides{
	position:relative;
}
.slidesjs-previous,.slidesjs-next{
	display:block;
	position:absolute;
	top:168px;
	z-index:999;
	width:36px;
	height:63px;
	text-indent:-9999px;
	overflow:hidden;
	background:url(../images/sprite.png) no-repeat;
}

.slidesjs-previous{
	left:50px;
	background-position:0 -130px;
}
.slidesjs-next{
	right:50px;
	background-position:-50px -130px;
}

.slidesjs-previous:hover{
	background-position:0 -200px;
}
.slidesjs-next:hover{
	background-position:-50px -200px;
}