fetch 320px posters and shrink them in css to get slightly better quality

radia.css

@@ -24,6 +24,7 @@ body {
   border-radius: 8px;
   -moz-border-radius: 8px;
   -webkit-border-radius: 8px;
+  width: 120px;
 }
 
 text {

radia.js

@@ -1,6 +1,6 @@
 // var R;
 function supportsSvg() {
-    return document.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#Shape", "1.0")
+    return !!document.createElementNS && !!document.createElementNS("http://www.w3.org/2000/svg", "svg").createSVGRect;
 }
 
 
@@ -215,7 +215,7 @@ function getPostersHTML(padma_ids) {
   var html = '';
   for (var i=0; i<padma_ids.length; i++) {
     if (i>limit) { break; }
-    var posterLink = "http://pad.ma/" + padma_ids[i] + "/poster.png";
+    var posterLink = "http://pad.ma/" + padma_ids[i] + "/poster.320.png";
     html += "<img src='" + posterLink + "' />";    
   }
   return html;