diff --git a/www/draw.html b/www/draw.html
index 4a16fe4..24995ed 100644
--- a/www/draw.html
+++ b/www/draw.html
@@ -59,10 +59,13 @@
 			width: 100%;
 			margin: 0;
 			font-family: sans-serif;
+			/* prevent reload on scroll in chrome */
 			position: fixed;	
-
 			overscroll-behavior: contain;
 			overflow-y: hidden;
+
+			/* prevent capture of poienter event: https://stackoverflow.com/a/48254578 */
+			touch-action: none;
 		}
 
 		#interface {
diff --git a/www/draw.js b/www/draw.js
index f0219c0..53804c1 100644
--- a/www/draw.js
+++ b/www/draw.js
@@ -24,7 +24,7 @@ class Canvas {
 
         this.resize();
 
-        window.addEventListener('resize', this.requestResize);
+        window.addEventListener('resize', (ev) => this.requestResize());
 
 
         this.paths = [];
@@ -38,6 +38,8 @@ class Canvas {
 
         this.isMoving = false;
         document.body.addEventListener('pointermove', (ev) => {
+            ev.stopPropagation();
+            ev.preventDefault();
             if (ev.pointerType == "touch" || ev.buttons & 4) { // 4: middle mouse button
                 this.moveCanvas(ev);
             } else { // pointerType == pen or mouse
@@ -45,6 +47,8 @@ class Canvas {
             }
         });
         document.body.addEventListener('pointerup', (ev) => {
+            ev.stopPropagation();
+            ev.preventDefault();
             if (ev.pointerType == "touch" || ev.buttons & 4 || this.isMoving) { // buttons is 0 on pointerup
                 this.endMoveCanvas(ev);
                 this.isMoving = false;
@@ -53,6 +57,8 @@ class Canvas {
             }
         });
         this.svgEl.addEventListener('pointerdown', (ev) => {
+            ev.stopPropagation();
+            ev.preventDefault();
             if (ev.pointerType == "touch" || ev.buttons & 4) { // 4: middle mouse button
                 this.isMoving = true;
                 this.startMoveCanvas(ev);
@@ -185,7 +191,8 @@ class Canvas {
     }
 
     requestResize() {
-        alert('Resize not implemented yet. Please reloade the page');
+        this.resize();
+        // alert('Resize not implemented yet. Please reloade the page');
     }