var conl = '.navigation-1 .l'
var conr = '.navigation-1 .r'

var navigation ={
    nextel: conr,
    prevel: conl,
}



function navigationtransitionend(_this){

    lropa(conl,_this.realindex==0)
    lropa(conr,_this.realindex==_this.slides.length-1)
    function lropa(ele,bule) {
        if (bule) {
            $(ele).css('opacity','0.2')
        } else {
            $(ele).css('opacity','1')
        }
    }

}