jquery将内容锚定到某一点

I have a a list of links on my website, that when then user clicks on one then I display a toolip with some futher options, the links are display as 90x60 image, I am wanting the tooltip that is display to anchor itself on to the top left hand corner of the link/image that has been clicked how can achieve this, below is my current implementation.I have a a list of links on my website, that wh