html5-Website Development garbled problem

html5php Website Development garbled notepad++

Not much to say, the last picture
Web site development for a long time, has been written in Notepad, but also do not understand the coding problem, so in each of the files are added one, has been coding has not appeared any problem.
Later found that the wrong time did not line, so with the notepad++, the result of his default use of UTF-8 coding, and then suddenly appeared on the above problem, I put the code changes will gb2312 also have no effect.
Beg how to break, thank you!

