未捕获的参考错误：未定义功能

I'm working on an app for webOS that will take a megaupload link(assuming its a video), parse it into a direct link and stream it to a ffplay port for webos called TouchPlay. I'm working on a basic prototype that will just take the end code on a megaupload link and return a direct link. Now that I have laid out the basic parts of my application, on to my question. I want to take data in a form in an html page and feed it into a function in an external js script. Here's the html portionI'm working on an app for webOS that will take