// UTILS
$(document).ready(function() {

    $.docVars = {}
    $.docVars.width = $(document).width();
    $.docVars.height = $(document).height();
    $.docVars.centerX = $(window).width() / 2;
    $.docVars.centerY = $(window).height() / 2;

    // ------------------------------------------------------------------------------------
    // CENTER OBJECT IN WINDOW
    // ------------------------------------------------------------------------------------

    jQuery.fn.center = function(offsetX, offsetY) {
        this.css("left", ($.docVars.centerX - this.width() / 2) - offsetX);
        this.css("top", ($.docVars.centerY - this.height() / 2) - offsetY);
        return this;
    };
	
});