// Check scrollinginside div (middle, top, bottom)
$('#offre-scrollblock-txt').bind('scroll',chk_scroll);
function chk_scroll(e)
{
var elem = $(e.currentTarget);
if(elem[0].scrollHeight - elem.scrollTop() == elem.outerHeight())
{
console.log("bottom");
$('#offre-scrollblock-img').css('background-image','url(https://kasoo.fr/wp-content/uploads/2021/04/edit_2.jpg)');
}
else if ( elem.scrollTop() > elem.outerHeight() / 2)
{
console.log("middle");
$('#offre-scrollblock-img').css('background-image','url(https://kasoo.fr/wp-content/uploads/2021/04/edit_1.jpg)');
}
else if ( elem.scrollTop() > elem.outerHeight() / 4)
{
console.log("quart");
$('#offre-scrollblock-img').css('background-image','url(https://kasoo.fr/wp-content/uploads/2021/04/edit_6.jpg)');
}
else if ( elem.scrollTop() == 0)
{
console.log("top");
$('#offre-scrollblock-img').css('background-image','url(https://kasoo.fr/wp-content/uploads/2021/04/edit_5.jpg)');
}
}