// JavaScript Document

function changeSource1()
  {
  document.getElementById("frame4").src="assets/videos/video_1.html"
  }
  
function changeSource2()
  {
  document.getElementById("frame4").src="assets/videos/video_2.html"
  }
  
function changeSource3()
  {
  document.getElementById("frame4").src="assets/videos/video_3.html"
  }

function changeSource4()
  {
  document.getElementById("frame4").src="assets/videos/video_4.html"
  }
  
function changeSource5()
  {
  document.getElementById("frame4").src="assets/videos/video_5.html"
  }
  
function changeSource6()
  {
  document.getElementById("frame4").src="assets/videos/video_6.html"
  }
 
function changeSource7()
  {
  document.getElementById("frame4").src="assets/videos/video_7.html"
  }
function changeSource8()
  {
  document.getElementById("frame4").src="assets/videos/video_8.html"
  }
function changeSource9()
  {
  document.getElementById("frame4").src="assets/videos/video_9.html"
  }
function changeSource10()
  {
  document.getElementById("frame4").src="assets/videos/video_10.html"
  }
function changeSource11()
  {
  document.getElementById("frame4").src="assets/videos/video_11.html"
  }
function changeSource12()
  {
  document.getElementById("frame4").src="assets/videos/video_12.html"
  }
function changeSource13()
  {
  document.getElementById("frame4").src="assets/videos/video_13.html"
  }
function changeSource14()
  {
  document.getElementById("frame4").src="assets/videos/video_14.html"
  }
function changeSource15()
  {
  document.getElementById("frame4").src="assets/videos/video_15.html"
  }
function changeSource16()
  {
  document.getElementById("frame4").src="assets/videos/video_16.html"
  }
function changeSource17()
  {
  document.getElementById("frame4").src="assets/videos/video_17.html"
  }