Register and Login Links not Working

In order to fix the problem with the Register and Login links which are not working, do the following:

1. Navigate to Setup > Site Builder > Set Up Web Site.
2. Click on the Analytics tab.
3. Either remove or edit the google analytics code in the Analytics Click Attributes & Analytics Submit Attributes fields so that it looks like the one below:

Analytics Click Attributesonclick="pageTracker._link(this.href); return false;"Analytics Submit Attributes onsubmit="_gaq.push(['_linkByPost', this]); return true;"

4. Click Save.