[Plugin: JJ NextGen JQuery Carousel] JQuery Carousel vertical Slider

I’m using the JJ Nextgen JQuery Carousel and want to use the vertical option. I’m trying to get the vertical height the same as the browser height and I added this code (found it here) to my header file.

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I cant seem to get this to work. My Java script isn’t that great so some help would be nice

Thanks
Hanè

https://www.ads-software.com/extend/plugins/jj-nextgen-jquery-carousel/