Fake Ajax
Place inside the <head> tag to ensure smooth transition. Simulating ajax like effects without the real deal
<META http-equiv="Page-Enter" content="blendTrans(Duration=0.2)">
<META http-equiv="Page-Exit" content="blendTrans(Duration=0.2)">
Source : http://secretgeek.net/fajax.asp
Note: Don't overuse it, or else you will notice that your page response time is increasing for no good reason.