like lance said use scite instead of notepad. scite highlights all the syntax so it harder for you to make a mistake :)
http://www.w3schools.com/
the above link has a great tutorial on HTML, CSS and JavaScript. learn them in that order and your good to go.
let me not kid you, there are more ways to write websites than the number of websites itself and its definitely not a piece of cake but its do able. just test it on ur pc before ftping it.
once you learn the basics it gets a lot easier