Download - contains CSS, JS, HTML & this page , unzip it, then either modify the supplied html or do the following:

Place this in your head section
Place this in your body section where you want the spinedit
Note the above defaults the div name to spin1div, if you want a different name
The above defaults all the properties of spin1, they may be set in the new statement :
If properties are not overridden (left as default) they must be specified as undefined,
unless no properties are specified after them
Properties may also be assigned after creation
An event is assigned after creation – note no parentheses
Event handlers access the object with the this keyword