[fix] stop welcome video if user moves to another page
diff --git a/erpnext/setup/page/welcome_to_erpnext/welcome_to_erpnext.js b/erpnext/setup/page/welcome_to_erpnext/welcome_to_erpnext.js
index 2af40a6..f072b8d 100644
--- a/erpnext/setup/page/welcome_to_erpnext/welcome_to_erpnext.js
+++ b/erpnext/setup/page/welcome_to_erpnext/welcome_to_erpnext.js
@@ -4,7 +4,17 @@
 	parent.html(frappe.render_template("welcome_to_erpnext", {}));
 
 	parent.find(".video-placeholder").on("click", function() {
+		window.erpnext_welcome_video_started = true;
 		parent.find(".video-placeholder").addClass("hidden");
-		parent.find(".embed-responsive").append('<iframe class="embed-responsive-item video-playlist" src="https://www.youtube.com/embed/videoseries?list=PL3lFfCEoMxvxDHtYyQFJeUYkWzQpXwFM9&color=white&autoplay=1" allowfullscreen></iframe>')
+		parent.find(".embed-responsive").append('<iframe class="embed-responsive-item video-playlist" src="https://www.youtube.com/embed/videoseries?list=PL3lFfCEoMxvxDHtYyQFJeUYkWzQpXwFM9&color=white&autoplay=1&enablejsapi=1" allowfullscreen></iframe>')
+	});
+
+	// pause video on page change
+	$(document).on("page-change", function() {
+		if (window.erpnext_welcome_video_started && parent) {
+			parent.find(".video-playlist").each(function() {
+				this.contentWindow.postMessage('{"event":"command","func":"' + 'pauseVideo' + '","args":""}', '*');
+			});
+		}
 	});
 }