$(".link_image").live("click", function(e){
    e.preventDefault();
    var i = $(this)
        .find("img")
        .attr("src")
        .replace("_70","_600");
    $("<div>")
        .on("click", function(){
            $(this).remove();
        });
        .css({
            position: 'fixed',
            top: 0,
            left: 0,
            width: "100%",
            height: "100%",
            background: "rgba(0,0,0,.8) url(" + i + ") no-repeat 50% 50%",
            backgroundSize: "contain",
            zIndex: 9999999999
        })
        .appendTo("body");
});