gistfile1.js

// Sluggify inputs with name attribute beggining
// with "title". The result is apply to inputs with 
// attribute name beggning with "slug"
$(".form-extended").each(function()
{
	var self = this;

	var slug = $("[name^=slug]", self);

	$("[name^=title]", self).on("keydown blur", function(){
		if(this.value){
			slug.val(_str.slugify(this.value));
		}else{
			slug.val("");
		}
	});
});