diff -r c21cffd36f98 -r 84719280c84d integ/js/vs/_vs.decay.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/integ/js/vs/_vs.decay.js	Fri Apr 12 15:08:00 2013 +0200
@@ -0,0 +1,33 @@
+(function ($) {
+
+$.fn._vs.decay = {
+    tokens:[],
+    update:function(_this) {
+      var incrementationStrate = 1;
+      var top                  = _this.settings.sedimentation.suspension.height
+      var height               = _this.settings.height
+      var intervalStrate       = _this.settings.sedimentation.token.size/4
+      var power                = _this.settings.sedimentation.suspension.decay.power
+      var scale                = _this.settings.options.scale
+      var limit                = _this.settings.sedimentation.token.size.minimum
+
+      if(power==null){var power = 0}
+        
+        for(var b = 0; b < this.tokens.length; b++) {
+          var tokenSize  = this.tokens[b].attr("size")
+          if(power!=0){
+            this.tokens[b].attr("size",tokenSize/power)
+          }
+           // Flocculate
+                     
+          if(tokenSize<=limit){
+            if (_this.settings.sedimentation.flocculate.strategy!=null){ 
+              _this.flocculate.destroyIt(_this,this.tokens[b]);
+              _this.strata.update(_this);
+            }
+          }
+        }
+    }
+}
+
+})(jQuery);