$(document).ready(function() {
    $('#lightbox-image').click(function () { 
      CopyToClip(this);
    });

});




function CopyToClip(div){
    div.contentEditable = 'true';
    var controlRange;
    if (document.body.createControlRange) {
        controlRange = document.body.createControlRange();
        controlRange.addElement(div);
        controlRange.execCommand('Copy');
    }
    div.contentEditable = 'false';
}