jQuery Watermark
Simple form w/ watermark attribute:

When passing an object, you set the html of the span with 'hmtl', a css class with 'cls', direct style with 'css', or inherit style from the input with 'inherit'. Simple watermarks can be added by just using a string.
Clear all watermarks - Add all watermarks
Selector:$("#wm2").watermark("Something");
Base class:Add - Remove ($('#wm3').watermark('Watermark added'), $('#wm3').watermark({remove:true});)
Basic:watermark="Add text here"
Adding style:watermark="{html:'With style...',css:{color:'blue'}}"
Adding class:watermark="{html:'With class...',cls:'isgreen'}"
Textarea:watermark="Enter something here for testing textarea..."
Inherit:watermark="{html:'Inheriting color',inherit:'color'}"
Inherit more:watermark="{html:'Inheriting color',inherit:['color','font-weight','font-family','font-size']}"