updating pull request inline of szimek's request to delete duplicate …

…methods in slider.js - great find

controllers/slider.js

@@ -58,33 +58,6 @@ GUI.Slider = function(numberController, min, max, step, initValue) {
         this.fg.style.width = pct+"%";
     });
 
-    var onDrag = function(e) {
-        if (!clicked) return;
-        var pos = findPos(_this.domElement);
-        var val = GUI.map(e.pageX, pos[0], pos[0] + _this.domElement.offsetWidth, min, max);
-        val = Math.round(val/step)*step;
-        numberController.setValue(val);
-    };
-
-    this.domElement.addEventListener('mousedown', function(e) {
-        clicked = true;
-        x = px = e.pageX;
-        _this.domElement.setAttribute('class', 'guidat-slider-bg active');
-        _this.fg.setAttribute('class', 'guidat-slider-fg active');
-        onDrag(e);
-        document.addEventListener('mouseup', mouseup, false);
-    }, false);
-
-    var mouseup = function(e) {
-        _this.domElement.setAttribute('class', 'guidat-slider-bg');
-        _this.fg.setAttribute('class', 'guidat-slider-fg');
-        clicked = false;
-        if (numberController.finishChangeFunction != null) {
-            numberController.finishChangeFunction.call(this, numberController.getValue());
-        }
-        document.removeEventListener('mouseup', mouseup, false);
-    };
-
     document.addEventListener('mousemove', onDrag, false);
 
     this.value = initValue;