// Colorpicker


	var hue;
	var picker;
	var gLogger = {debug: function(){}};
	var dd;
 var ret_colorinput;
  
	function update_return_input() {
	 document.getElementById(ret_colorinput).value =	'#'+document.getElementById('hexval').value;	 
 }
	
 function rgb_init(return_input_id) {
  ret_colorinput = return_input_id;
		hue = YAHOO.widget.Slider.getVertSlider("hueBg", "hueThumb", 0, 180);
  hue.onChange = function(newVal) {hueUpdate(newVal);};
		picker = YAHOO.widget.Slider.getSliderRegion("pickerDiv", "selector",0, 180, 0, 180);
		picker.onChange = function(newX, newY) { pickerUpdate(newX, newY); };

		hueUpdate();

		dd = new YAHOO.util.DD("ddPicker");
		dd.setHandleElId("pickerHandle");
		dd.endDrag = function(e) {
			// picker.thumb.resetConstraints();
			// hue.thumb.resetConstraints(); 
        };
	}

	// window.onload = init;

	function pickerUpdate(newX, newY) {
		swatchUpdate();
	}

	function hueUpdate(newVal) {
		var h = (180 - hue.getValue()) / 180;
		if (h == 1) { h = 0; }

		gLogger.debug("hue " + hue.getValue());

		var a = YAHOO.util.Color.hsv2rgb( h, 1, 1);

		document.getElementById("pickerDiv").style.backgroundColor = 
			"rgb(" + a[0] + ", " + a[1] + ", " + a[2] + ")";
		swatchUpdate();
	}

	function swatchUpdate() {
		var h = (180 - hue.getValue());
		if (h == 180) { h = 0; }
		document.getElementById("hval").value = (h*2);

		h = h / 180;
		gLogger.debug("h " + hue.getValue());

		var s = picker.getXValue() / 180;
		document.getElementById("sval").value = Math.round(s * 100);

		gLogger.debug("s " + s);

		var v = (180 - picker.getYValue()) / 180;
		document.getElementById("vval").value = Math.round(v * 100);

		gLogger.debug("v " + v);

		var a = YAHOO.util.Color.hsv2rgb( h, s, v );

		document.getElementById("swatch").style.backgroundColor = 
			"rgb(" + a[0] + ", " + a[1] + ", " + a[2] + ")";

		document.getElementById("rval").value = a[0];
		document.getElementById("gval").value = a[1];
		document.getElementById("bval").value = a[2];
  document.getElementById("hexval").value =	YAHOO.util.Color.rgb2hex(a[0], a[1], a[2]);
 }

// Ende Colorpicker