diff --git a/kioskWires.js b/kioskWires.js
index fb2e40f..5d8bcca 100644
--- a/kioskWires.js
+++ b/kioskWires.js
@@ -144,12 +144,19 @@ function mouseUp(e){
 }
 
 function setZoom(n){
+	var svg = chipbg.getSVGDocument();
+	svg = svg.childNodes[0];
+
 	zoom = n;
 	setChipStyle({
 		width: 600*n+'px',
 		height: 600*n+'px'
 	});
+
+	svg.style.width = 600*n+'px';
+	svg.style.height = 600*n+'px';
 	recenter();
+
 }
 
 function recenter(){
@@ -193,7 +200,7 @@ function handleClick(e){
 function setChipStyle(props){
 	for(var i in props){
 		chipbg.style[i] = props[i];
-		overlay.style[i] = props[i];
+//		overlay.style[i] = props[i];
 		hilite.style[i] = props[i];
 		hitbuffer.style[i] = props[i];
 	}
diff --git a/wires.js b/wires.js
index 70284f2..4751766 100644
--- a/wires.js
+++ b/wires.js
@@ -94,10 +94,10 @@ function setupBackground(){
 }
 
 function setupOverlay(){
-	overlay = document.getElementById('overlay');
-	overlay.width = grCanvasSize;
-	overlay.height = grCanvasSize;
-	ctx = overlay.getContext('2d');
+//	overlay = document.getElementById('overlay');
+//	overlay.width = grCanvasSize;
+//	overlay.height = grCanvasSize;
+//	ctx = overlay.getContext('2d');
 }
 
 function setupHilite(){
@@ -137,21 +137,44 @@ function hexdigit(n){return '0123456789ABCDEF'.charAt(n);}
 /////////////////////////
 
 function refresh(){
+	var svg = chipbg.getSVGDocument();
+	svg = svg.childNodes[0];
+	var poly = svg.getElementById('poly');
+	var metal = svg.getElementById('metal');
+	var polyOffFill = poly.getAttribute('fill');
+	var metalOffFill = metal.getAttribute('fill');
+
 	if(!chipLayoutIsVisible) return;
 //	ctx.clearRect(0,0,grCanvasSize,grCanvasSize);
 //	for(i in nodes){
 //		if(isNodeHigh(i)) overlayNode(nodes[i].segs);
 //	}
+	for(i in nodes){
+		var n = poly.getElementsByClassName(i+'')[0];
+		var n2 = metal.getElementsByClassName(i+'')[0];
+
+		if(isNodeHigh(i)){
+			if(n!=undefined)
+				n.setAttribute('fill', 'rgb(0,255,255)');
+			if(n2!=undefined)
+				n2.setAttribute('fill', 'rgb(0,255,255)');
+		} else {
+			if(n!=undefined)
+				n.setAttribute('fill', polyOffFill);
+			if(n2!=undefined)
+				n2.setAttribute('fill', metalOffFill);
+		}
+	}	
 	hiliteNode(hilited);
 }
 
-function overlayNode(w){
-	ctx.fillStyle = 'rgba(255,0,64,0.4)';
-	for(i in w) {
-		drawSeg(ctx, w[i]);
-		ctx.fill();
-	}
-}
+//function overlayNode(w){
+//	ctx.fillStyle = 'rgba(255,0,64,0.4)';
+//	for(i in w) {
+//		drawSeg(ctx, w[i]);
+//		ctx.fill();
+//	}
+//}
 
 // originally to highlight using a list of node numbers
 //   but can now include transistor names