Add data-tooltip attribute to an element that you want it to have tooltip...zTip supports html.
JAVASCRIPT
xOffset = 20;yOffset = 10;document.write("
");[Download the lastest verison, replace this line by everyhing in that file]
CSS
#tooltip { position:absolute; border:1px solid #D5D5D5; background:#F8F8F8; padding:4px; display:none; border-radius:4px; box-shadow:0 1px 1px rgba(0,0,0,0.05),0 1px 0 #FFFFFF inset; z-index: 1004;}
DEMO: http://jsfiddle.net/creepyzero/tUQfJ/