Add some JS for design uploading

app/assets/javascripts/design_temp.js

@@ -0,0 +1,25 @@
+$(".r_snapshot").hover(
+    function(){
+      $(this).append($("<span></span>").html('<p class="z-preview"><img src="'+$(this).attr("path")+'"width="220" height="19" /></p>'));
+    }
+    ,
+    function(){
+      $(this).find("span:last").remove();
+    }
+    );
+
+$('input.multi_files').change(function(){
+  $(this).prev("ul").append("<li>"+$(this).val()+"</li>");
+  new_node =$(this).clone();
+  new_node.css("display","none");
+  //new_node.val("asd");
+  $(this).parent().append(new_node);
+  $(this).val("");
+});
+
+$('a.remove_mark').live("click",function(){
+  $(this).prev("input").value("true");
+  $(this).parent().css("text-decoration","line-through")
+  $(this).remove();
+  return false;
+});