var current=1;

function nextMatch(){
  if(current>0){
    jQuery('.slide-win-prev').css('visibility', 'visible');
  }
  if(current<(jQuery('.match-wrapper').length-10)){
    jQuery('.slide-win-next').css('visibility', 'visible');
    var el=jQuery('.match-wrapper').get(current-1);
    jQuery(el).stop(true,true).animate({marginLeft: -92}, 500);
    current++;
  }
  else{
    jQuery('.slide-win-next').css('visibility', 'hidden');
  }
}

function prevMatch(){
  if(current<(jQuery('.match-wrapper').length-9)){
    jQuery('.slide-win-next').css('visibility', 'visible');
  }
  if(current>1){
    jQuery('.slide-win-prev').css('visibility', 'visible');
    current--;
    var el=jQuery('.match-wrapper').get(current-1);
    jQuery(el).stop(true,true).animate({marginLeft: 0}, 500);
  }
  else{
    jQuery('.slide-win-prev').css('visibility', 'hidden');
  }
}