function onAfter(curr, next, opts) {
    var index = opts.currSlide;
    $('#prev')[index == 0 ? 'hide' : 'show']();
    $('#next')[index == opts.slideCount - 1 ? 'hide' : 'show']();
}
function vijay(){$('#prev').addClass("disabled");}

$('#slider1').cycle({ 
    fx:     'scrollHorz', 
    prev:   '#prev', 
    next:   '#next', 
    nowrap:  0,
	timeout: 0,
	pause:true,
	pager: '#nav',
	after:onAfter
	
});