diff -r 8e546d108658 -r b42911b78a16 emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_Number.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_Number.js	Sun Jan 27 10:19:02 2013 +0100
@@ -0,0 +1,71 @@
+// empty line needed here
+Number.prototype.add32 = function(x) { return (this + x) | 0; };
+Number.prototype.sub32 = function(x) { return (this - x) | 0; };
+Number.prototype.mul32 = function(x) { 
+    return (((this * (x >> 16)) << 16) + this * (x & 0xFFFF)) | 0;
+};
+
+Number.prototype.toInt8 = function()  { return (this << 24) >> 24; };
+Number.prototype.toInt16 = function() { return (this << 16) >> 16; };
+
+var Long = function(low, hi) {
+    this.low = low;
+    this.hi = hi;
+};
+
+function LongFromNumber(x) {
+    return new Long(x % 0xFFFFFFFF, Math.floor(x / 0xFFFFFFFF));
+};
+
+function MakeLong(x) {
+    if ((x.hi == undefined) && (x.low == undefined)) {
+        return LongFromNumber(x);
+    }
+    return x;
+};
+
+Long.prototype.toInt32 = function() { return this.low | 0; };
+Long.prototype.toFP = function() { return this.hi * 0xFFFFFFFF + this.low; };
+
+Long.prototype.toString = function() {
+    return String(this.toFP());
+};
+
+Long.prototype.valueOf = function() {
+    return this.toFP();
+};
+
+Long.prototype.compare64 = function(x) {
+    if (this.hi == x.hi) {
+        return (this.low == x.low) ? 0 : ((this.low < x.low) ? -1 : 1);
+    }
+    return (this.hi < x.hi) ? -1 : 1;
+};
+
+Long.prototype.add64 = function(x) {
+    low = this.low + x.low;
+    carry = 0;
+    if (low > 0xFFFFFFFF) {
+        carry = 1;
+        low -= 0xFFFFFFFF;
+    }
+    hi = (this.hi + x.hi + carry) & 0xFFFFFFFF;
+    return new Long(low, hi);
+};
+
+Long.prototype.div64 = function(x) {
+    return LongFromNumber(Math.floor(this.toFP() / x.toFP()));
+};
+
+Long.prototype.shl64 = function(x) {
+    if (x > 32) {
+        hi = (this.low << (x - 32)) & 0xFFFFFFFF;
+        low = 0;
+    } else {
+        hi = (this.hi << x) & 0xFFFFFFFF;
+        low_reminder = this.low >> x;
+        hi |= low_reminder;
+        low = this.low << x;
+    }
+    return new Long(low, hi);
+};