position.js

function showMessageDialog(sourceElement, jqr) {
    var x = getOffset(document.getElementById(sourceElement)).left;
    var y= getOffset(document.getElementById(sourceElement)).top;
    var parentSource = jqr.parent();


    var parent = jqr.parent();
    parent.find('.ui-dialog').each(function() {
        jQuery(this).css('position', 'absolute');
        jQuery(this).css('width', '780px');
    });
    parent.addClass("autoWidthDialog");
    parent.offset({
                top: y-85  //change Y position in pixels
                ,left: x-3 //change X position in pixels
            });
MessageDialog.show();
}