单击链接并调整位置时显示弹出窗口

I am trying to create a little popup next to a link on my page. I need this to be dynamic because the number of links generated is random. I want the box to display next to the link each time, so this requires adjusting the position to new coordinates my question is how do I programtically determine where to move the box based on what link is clicked? I am not sure how to approach this and am looking for some suggestions.I am trying to create a little popup next to a