$(document).find('.pccenter').mouseenter(function(){
    if (loading != true) {
        $(this).fadeTo(1000, 1);
        $(this).parent().children('.shinepc').fadeTo(2000, 0.4);
    }
});






var position ="";
var shinepos = "";
$('.pccenter').mouseover(function(){
    position = $(document).find('.pccenter').attr('id');
    shinepos = $(document).find('.shinepc').attr('id');
    console.log(shinepos);
    console.log(position);
    if (loading != true) {
        $('#' + position).fadeTo(1000, 1);
         $('#' + shinepos).fadeTo(2000, 0.4);
    }
});

$('.pccenter').mouseleave(function(){
    position = $(document).find('.pccenter').attr('id');
    shinepos = $(document).find('.shinepc').attr('id');
    if (loading != true) {
        $('#' + position).fadeTo(1000, 0.6);
        $('#' + shinepos).fadeTo(3000, 0.2);
    }
});

<div class="pcmidr" id="pcmidr"><div class="shinepcmidr" id="shinepcmidr"></div></div>
<div class="pccenter" id="pccenter"><div class="shinepc" id="shinepc"></div></div>

$(document).find('.pccenter').mouseleave(function(){
    if (loading != true) {
        $(this).fadeTo(1000, 0.6);
        $(this).parent().children('.shinepc').fadeTo(3000, 0.2);
    }
});

$(document).find('.pccenter').mouseover(function(){
    if (loading != true) {
        $(this).fadeTo(1000, 1);
        $(this).parent().children('.shinepc').fadeTo(2000, 0.4);
}
});

$(document).find('.pccenter').mouseleave(function(){
    if (loading != true) {
        $(this).fadeTo(1000, 0.6);
        $(this).parent().children('.shinepc').fadeTo(3000, 0.2);
    }
});