diff --git a/script.js b/script.js
index e6de9ab..6b990b8 100644
--- a/script.js
+++ b/script.js
@@ -53,10 +53,30 @@ function updateStreetView(loc){
 			* (180/Math.PI)	) % 360;
 	}
 	
+	// Get dimensions for sv request (images proportional to element up to 640x640)
+	function getDimensions(element) {
+		
+		// Window is smaller than max
+		if ( element.width()<640 && element.height()<640 ){
+			return element.width()+'x'+element.height();
+		}
+		
+		// Width must be made proportional to 640
+		else if (element.width()>element.height()) {
+			return '640x'+element.height()*640/element.width();
+		}
+		
+		// Height must be made proportional to 640
+		else {
+			return element.width()*640/element.height()+'x640';
+		}
+		
+	}
+	
 	// Get streetview data
 	getStreetViewData(loc, 2, function(data){
 		console.log('https://maps.googleapis.com/maps/api/streetview?'+
-			'size='+ $('main img').width() +'x'+ $('main img').height() +
+			'size='+ getDimensions($(window)) +
 			'&location='+ data.location.latLng.lat() +','+ data.location.latLng.lng() +
 			'&fov=90' + // Inclination
 			// Show direction if moving, point to user if stationary