// JavaScript Document

function popup(id) {
		var chaptercode;
		
		chaptercode = document.getElementById('chaptercode')

		
		if (id == "chaptercode") {
			chaptercode.style.display = "block";
		}
		else {
			chaptercode.style.display = "none";
		}
	}
	
function popupoff(id) { 
		var chaptercode;
		
		chaptercode = document.getElementById('chaptercode')
		
		chaptercode.style.display = "none";
		
		
}