[SOLVED] CS var curSlide = 0;

var curSlide = 0;

function nextSlide() {
var nextSlide = parseInt(curSlide) + 1;
window.location.href = #s +nextSlide;
}

function prevSlide(){
var prevSlide = parseInt(curSlide) 1;
if(prevSlide >=0 ) {
window.location.href = #s +prevSlide;
}
}

$(document).ready(function(){

$(window).scroll(function() {
var windowTop = Math.max($(body).scrollTop(), $(html).scrollTop());
$(.slideCl1).each( function (index) {
if (windowTop > ($(this).position().top 100)) {
curSlide = $(this).attr(id);
curSlide = curSlide.substring(1, curSlide.length);
}
});
}).scroll();

$( body ).keypress(function( event ) {
// 110 for n, 102 for f
if (event.which == 110 || event.which == 102) {
nextSlide();
event.preventDefault();
}
// 112 for p, 98 for b
else if (event.which == 112 || event.which == 98) {
prevSlide();
event.preventDefault();
}
// 104 for h
else if (event.which == 104) {
window.location.href = #s0
event.preventDefault();
}
});

$( body ).keydown(function( event ) {
// 39 for right (40 for down)
if (event.which == 39) {
var nextSlide = parseInt(curSlide) + 1;
window.location.href = #s +nextSlide;
event.preventDefault();
}
//37 for left (38 for up)
else if (event.which == 37) {
var prevSlide = parseInt(curSlide) 1;
if(prevSlide >=0 ) {
window.location.href = #s +prevSlide;
event.preventDefault();
}
}

});

});