Temporarily changing content languages

[AWDESIGNS]

Most of my design work is in English but I am currently designing a Spanish book and I need to change the 'language' to Spanish. NOT the UI (I want to keep all interfaces in English). It's especially imortant when it comes to hyphenation breaks. The text is hyphenating as if its an English word not Spanish. How do I change the 'text' so that InDesign realises it's Spanish?  

[Mike Witherell · Accepted solution]

Paragraph styles control the look of the text and that is where you set the language to Spanish.

[AWDESIGNS]

Thank you so much!

[Kasyan Servetsky]

You can quickly change the language of all the styles with this script.

[AWDESIGNS]

Thanks Kasyan, that's even easier. This is going to reveolutionise my Spanish book design!