/**
 * jscolor, JavaScript Color Picker
 *
 * @version 1.3.13
 * @license GNU Lesser General Public License, http://www.gnu.org/copyleft/lesser.html
 * @author  Jan Odvarko, http://odvarko.cz
 * @created 2008-06-15
 * @updated 2012-01-19
 * @link    http://jscolor.com
 */

const jscolor = {
	dir : '/images/colorpicker/', // location of jscolor directory (leave empty to autodetect)
	bindClass : 'color', // class name
	binding : true, // automatic binding via <input class="...">
	preloading : true, // use image preloading?

	install : function () {
		jscolor.addEvent(window, 'load', jscolor.init);
	},

	init : function () {
		if (jscolor.binding) {
			jscolor.bind();
		}

		if (jscolor.preloading) {
			jscolor.preload();
		}
	},

	getDir : function () {
		if (!jscolor.dir) {
			const detected = jscolor.detectDir();
			jscolor.dir = detected!==false ? detected : 'jscolor/';
		}

		return jscolor.dir;
	},


	detectDir : function () {
		let base = location.href;

		let e = document.getElementsByTagName('base');
		for (let i=0; i<e.length; i+=1) {
			if (e[i].href) {
				base = e[i].href;
			}
		}

		e = document.getElementsByTagName('script');
		for (let i=0; i<e.length; i+=1) {
			if (e[i].src && /(^|\/)jscolor\.js([?#].*)?$/i.test(e[i].src)) {
				const src = new jscolor.URI(e[i].src);
				const srcAbs = src.toAbsolute(base);
				srcAbs.path = srcAbs.path.replace(/[^\/]+$/, ''); // remove filename
				srcAbs.query = null;
				srcAbs.fragment = null;
				return srcAbs.toString();
			}
		}
		return false;
	},

	bind : function () {
		const matchClass = new RegExp('(^|\\s)('+jscolor.bindClass+')\\s*(\\{[^}]*\\})?', 'i');
		const e = document.getElementsByTagName('input');
		for (let i=0; i<e.length; i+=1) {
			let m;

			if (!e[i].color && e[i].className && (m = e[i].className.match(matchClass))) {
				const prop = {};

				if (m[3]) {
					try {
						eval('prop='+m[3]);
					} catch (eInvalidProp) {}
				}

				e[i].color = new jscolor.color(e[i], prop);
			}
		}
	},

	preload : function () {
		for (const fn in jscolor.imgRequire) {
			if (jscolor.imgRequire.hasOwnProperty(fn)) {
				jscolor.loadImage(fn);
			}
		}
	},

	images : {
		pad : [ 181, 101 ],
		sld : [ 16, 101 ],
		cross : [ 15, 15 ],
		arrow : [ 7, 11 ],
	},

	imgRequire : {},
	imgLoaded : {},

	requireImage : function (filename) {
		jscolor.imgRequire[filename] = true;
	},

	loadImage : function (filename) {
		if (!jscolor.imgLoaded[filename]) {
			jscolor.imgLoaded[filename] = new Image();
			jscolor.imgLoaded[filename].src = jscolor.getDir()+filename;
		}
	},

	fetchElement : function (mixed) {
		return typeof mixed === 'string' ? document.getElementById(mixed) : mixed;
	},

	addEvent : function (el, evnt, func) {
		if (el.addEventListener) {
			el.addEventListener(evnt, func, false);
		} else if (el.attachEvent) {
			el.attachEvent('on'+evnt, func);
		}
	},

	fireEvent : function (el, evnt) {
		let ev;

		if (!el) {
			return;
		}

		if (document.createEvent) {
			ev = document.createEvent('HTMLEvents');
			ev.initEvent(evnt, true, true);
			el.dispatchEvent(ev);
		} else if (document.createEventObject) {
			ev = document.createEventObject();
			el.fireEvent('on'+evnt, ev);
		} else if (el['on'+evnt]) { // alternatively use the traditional event model (IE5)
			el['on'+evnt]();
		}
	},

	getElementPos : function (e) {
		let e1=e; let e2=e;
		let x=0; let y=0;

		if (e1.offsetParent) {
			do {
				x += e1.offsetLeft;
				y += e1.offsetTop;
			} while (e1 = e1.offsetParent);
		}

		while ((e2 = e2.parentNode) && e2.nodeName.toUpperCase() !== 'BODY') {
			x -= e2.scrollLeft;
			y -= e2.scrollTop;
		}
		return [x, y];
	},

	getElementSize : function (e) {
		return [e.offsetWidth, e.offsetHeight];
	},

	getRelMousePos : function (e) {
		let x = 0; let y = 0;

		if (!e) {
			e = window.event;
		}

		if (typeof e.offsetX === 'number') {
			x = e.offsetX;
			y = e.offsetY;
		} else if (typeof e.layerX === 'number') {
			x = e.layerX;
			y = e.layerY;
		}

		return { x: x, y: y };
	},

	getViewPos : function () {
		if (typeof window.pageYOffset === 'number') {
			return [window.pageXOffset, window.pageYOffset];
		} else if (document.body && (document.body.scrollLeft || document.body.scrollTop)) {
			return [document.body.scrollLeft, document.body.scrollTop];
		} else if (document.documentElement && (document.documentElement.scrollLeft || document.documentElement.scrollTop)) {
			return [document.documentElement.scrollLeft, document.documentElement.scrollTop];
		} else {
			return [0, 0];
		}
	},

	getViewSize : function () {
		if (typeof window.innerWidth === 'number') {
			return [window.innerWidth, window.innerHeight];
		} else if (document.body && (document.body.clientWidth || document.body.clientHeight)) {
			return [document.body.clientWidth, document.body.clientHeight];
		} else if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
			return [document.documentElement.clientWidth, document.documentElement.clientHeight];
		} else {
			return [0, 0];
		}
	},

	URI : function (uri) { // See RFC3986
		this.scheme = null;
		this.authority = null;
		this.path = '';
		this.query = null;
		this.fragment = null;

		this.parse = function (uri) {
			const m = uri.match(/^(([A-Za-z][0-9A-Za-z+.-]*)(:))?((\/\/)([^\/?#]*))?([^?#]*)((\?)([^#]*))?((#)(.*))?/);
			this.scheme = m[3] ? m[2] : null;
			this.authority = m[5] ? m[6] : null;
			this.path = m[7];
			this.query = m[9] ? m[10] : null;
			this.fragment = m[12] ? m[13] : null;
			return this;
		};

		this.toString = function () {
			let result = '';

			if (this.scheme !== null) {
				result = result + this.scheme + ':';
			}

			if (this.authority !== null) {
				result = result + '//' + this.authority;
			}

			if (this.path !== null) {
				result = result + this.path;
			}

			if (this.query !== null) {
				result = result + '?' + this.query;
			}

			if (this.fragment !== null) {
				result = result + '#' + this.fragment;
			}

			return result;
		};

		this.toAbsolute = function (base) {
			base = new jscolor.URI(base);
			const r = this;
			const t = new jscolor.URI;

			if (base.scheme === null) {
				return false;
			}

			if (r.scheme !== null && r.scheme.toLowerCase() === base.scheme.toLowerCase()) {
				r.scheme = null;
			}

			if (r.scheme !== null) {
				t.scheme = r.scheme;
				t.authority = r.authority;
				t.path = removeDotSegments(r.path);
				t.query = r.query;
			} else {
				if (r.authority !== null) {
					t.authority = r.authority;
					t.path = removeDotSegments(r.path);
					t.query = r.query;
				} else {
					if (r.path === '') {
						t.path = base.path;

						if (r.query !== null) {
							t.query = r.query;
						} else {
							t.query = base.query;
						}
					} else {
						if (r.path.substr(0,1) === '/') {
							t.path = removeDotSegments(r.path);
						} else {
							if (base.authority !== null && base.path === '') {
								t.path = '/'+r.path;
							} else {
								t.path = base.path.replace(/[^\/]+$/,'')+r.path;
							}

							t.path = removeDotSegments(t.path);
						}

						t.query = r.query;
					}

					t.authority = base.authority;
				}

				t.scheme = base.scheme;
			}

			t.fragment = r.fragment;

			return t;
		};

		function removeDotSegments(path) {
			let out = '';
			while (path) {
				if (path.substr(0,3)==='../' || path.substr(0,2)==='./') {
					path = path.replace(/^\.+/,'').substr(1);
				} else if (path.substr(0,3)==='/./' || path==='/.') {
					path = '/'+path.substr(3);
				} else if (path.substr(0,4)==='/../' || path==='/..') {
					path = '/'+path.substr(4);
					out = out.replace(/\/?[^\/]*$/, '');
				} else if (path==='.' || path==='..') {
					path = '';
				} else {
					const rm = path.match(/^\/?[^\/]*/)[0];
					path = path.substr(rm.length);
					out = out + rm;
				}
			}
			return out;
		}

		if (uri) {
			this.parse(uri);
		}

	},

	/*
	 * Usage example:
	 * var myColor = new jscolor.color(myInputElement)
	 */
	color : function (target, prop) {
		this.required = true; // refuse empty values?
		this.adjust = true; // adjust value to uniform notation?
		this.hash = false; // prefix color with # symbol?
		this.caps = true; // uppercase?
		this.slider = true; // show the value/saturation slider?
		this.valueElement = target; // value holder
		this.styleElement = target; // where to reflect current color
		this.onImmediateChange = null; // onchange callback (can be either string or function)
		this.hsv = [0, 0, 1]; // read-only  0-6, 0-1, 0-1
		this.rgb = [1, 1, 1]; // read-only  0-1, 0-1, 0-1

		this.pickerOnfocus = true; // display picker on focus?
		this.pickerMode = 'HSV'; // HSV | HVS
		this.pickerPosition = 'bottom'; // left | right | top | bottom
		this.pickerSmartPosition = true; // automatically adjust picker position when necessary
		this.pickerButtonHeight = 20; // px
		this.pickerClosable = false;
		this.pickerCloseText = 'Close';
		this.pickerButtonColor = 'ButtonText'; // px
		this.pickerFace = 10; // px
		this.pickerFaceColor = 'ThreeDFace'; // CSS color
		this.pickerBorder = 1; // px
		this.pickerBorderColor = 'ThreeDHighlight ThreeDShadow ThreeDShadow ThreeDHighlight'; // CSS color
		this.pickerInset = 1; // px
		this.pickerInsetColor = 'ThreeDShadow ThreeDHighlight ThreeDHighlight ThreeDShadow'; // CSS color
		this.pickerZIndex = 10000;

		const valueElement = jscolor.fetchElement(this.valueElement);
		const leaveSld = 1<<3;
		const leavePad = 1<<2;
		const leaveStyle = 1<<1;
		const leaveValue = 1<<0;
		const styleElement = jscolor.fetchElement(this.styleElement);
		const modeID = this.pickerMode.toLowerCase()==='hvs' ? 1 : 0;
		const THIS = this;

		let holdSld;
		let holdPad;
		let abortBlur;

		for (const p in prop) {
			if (prop.hasOwnProperty(p)) {
				this[p] = prop[p];
			}
		}

		this.hidePicker = function () {
			if (isPickerOwner()) {
				removePicker();
			}
		};

		this.showPicker = function () {
			let pp;

			if (!isPickerOwner()) {
				const tp = jscolor.getElementPos(target); // target pos
				const ts = jscolor.getElementSize(target); // target size
				const vp = jscolor.getViewPos(); // view pos
				const vs = jscolor.getViewSize(); // view size
				const ps = getPickerDims(this); // picker size
				let a; let b; let c;
				switch (this.pickerPosition.toLowerCase()) {
					case 'left': a=1; b=0; c=-1; break;
					case 'right':a=1; b=0; c=1; break;
					case 'top':  a=0; b=1; c=-1; break;
					default:     a=0; b=1; c=1; break;
				}
				const l = (ts[b]+ps[b])/2;

				// picker pos
				if (!this.pickerSmartPosition) {
					pp = [
						tp[a],
						tp[b]+ts[b]-l+l*c,
					];
				} else {
					pp = [
						-vp[a] + tp[a] + ps[a] > vs[a]
							? (-vp[a] + tp[a] + ts[a] / 2 > vs[a] / 2 && tp[a] + ts[a] - ps[a] >= 0 ? tp[a] + ts[a] - ps[a] : tp[a])
							: tp[a],
						-vp[b] + tp[b] + ts[b] + ps[b] - l + l * c > vs[b]
							? (-vp[b] + tp[b] + ts[b] / 2 > vs[b] / 2 && tp[b] + ts[b] - l - l * c >= 0 ? tp[b] + ts[b] - l - l * c : tp[b] + ts[b] - l + l * c)
							: (tp[b] + ts[b] - l + l * c >= 0 ? tp[b] + ts[b] - l + l * c : tp[b] + ts[b] - l - l * c),
					];
				}

				drawPicker(pp[a], pp[b]);
			}
		};

		this.importColor = function () {
			if (!valueElement) {
				this.exportColor();
			} else {
				if (!this.adjust) {
					if (!this.fromString(valueElement.value, leaveValue)) {
						styleElement.style.backgroundImage = styleElement.jscStyle.backgroundImage;
						styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor;
						styleElement.style.color = styleElement.jscStyle.color;
						this.exportColor(leaveValue | leaveStyle);
					}
				} else if (!this.required && /^\s*$/.test(valueElement.value)) {
					valueElement.value = '';
					styleElement.style.backgroundImage = styleElement.jscStyle.backgroundImage;
					styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor;
					styleElement.style.color = styleElement.jscStyle.color;
					this.exportColor(leaveValue | leaveStyle);

				} else if (this.fromString(valueElement.value)) {
					// OK
				} else {
					this.exportColor();
				}
			}
		};

		this.exportColor = function (flags) {
			if (!(flags & leaveValue) && valueElement) {
				let value = this.toString();

				if (this.caps) {
					value = value.toUpperCase();
				}

				if (this.hash) {
					value = '#'+value;
				}

				valueElement.value = value;
			}

			if (!(flags & leaveStyle) && styleElement) {
				styleElement.style.backgroundImage = "none";
				styleElement.style.backgroundColor
					= '#'+this.toString();
				styleElement.style.color
					= 0.213 * this.rgb[0]
					+ 0.715 * this.rgb[1]
					+ 0.072 * this.rgb[2]
					< 0.5 ? '#FFF' : '#000';
			}

			if (!(flags & leavePad) && isPickerOwner()) {
				redrawPad();
			}

			if (!(flags & leaveSld) && isPickerOwner()) {
				redrawSld();
			}
		};

		this.fromHSV = function (h, s, v, flags) { // null = don't change
			h<0 && (h=0) || h>6 && (h=6);
			s<0 && (s=0) || s>1 && (s=1);
			v<0 && (v=0) || v>1 && (v=1);
			this.rgb = HSV_RGB(
				h===null ? this.hsv[0] : (this.hsv[0]=h),
				s===null ? this.hsv[1] : (this.hsv[1]=s),
				v===null ? this.hsv[2] : (this.hsv[2]=v)
			);
			this.exportColor(flags);
		};

		this.fromRGB = function (r, g, b, flags) { // null = don't change
			r<0 && (r=0) || r>1 && (r=1);
			g<0 && (g=0) || g>1 && (g=1);
			b<0 && (b=0) || b>1 && (b=1);
			const hsv = RGB_HSV(
				r===null ? this.rgb[0] : (this.rgb[0]=r),
				g===null ? this.rgb[1] : (this.rgb[1]=g),
				b===null ? this.rgb[2] : (this.rgb[2]=b)
			);

			if (hsv[0] !== null) {
				this.hsv[0] = hsv[0];
			}

			if (hsv[2] !== 0) {
				this.hsv[1] = hsv[1];
			}

			this.hsv[2] = hsv[2];
			this.exportColor(flags);
		};

		this.fromString = function (hex, flags) {
			const m = hex.match(/^\W*([0-9A-F]{3}([0-9A-F]{3})?)\W*$/i);

			if (!m) {
				return false;
			} else {
				if (m[1].length === 6) { // 6-char notation
					this.fromRGB(
						parseInt(m[1].substr(0,2),16) / 255,
						parseInt(m[1].substr(2,2),16) / 255,
						parseInt(m[1].substr(4,2),16) / 255,
						flags
					);
				} else { // 3-char notation
					this.fromRGB(
						parseInt(m[1].charAt(0)+m[1].charAt(0),16) / 255,
						parseInt(m[1].charAt(1)+m[1].charAt(1),16) / 255,
						parseInt(m[1].charAt(2)+m[1].charAt(2),16) / 255,
						flags
					);
				}

				return true;
			}
		};

		this.toString = function () {
			return (
				(0x100 | Math.round(255*this.rgb[0])).toString(16).substr(1)
				+ (0x100 | Math.round(255*this.rgb[1])).toString(16).substr(1)
				+ (0x100 | Math.round(255*this.rgb[2])).toString(16).substr(1)
			);
		};

		function RGB_HSV(r, g, b) {
			const n = Math.min(Math.min(r,g),b);
			const v = Math.max(Math.max(r,g),b);
			const m = v - n;

			if (m === 0) {
				return [ null, 0, v ];
			}

			const h = r===n ? 3+(b-g)/m : (g===n ? 5+(r-b)/m : 1+(g-r)/m);
			return [ h===6?0:h, m/v, v ];
		}

		function HSV_RGB(h, s, v) {
			if (h === null) {
				return [ v, v, v ];
			}

			const i = Math.floor(h);
			const f = i%2 ? h-i : 1-(h-i);
			const m = v * (1 - s);
			const n = v * (1 - s*f);
			switch (i) {
				case 6:
				case 0: return [v,n,m];
				case 1: return [n,v,m];
				case 2: return [m,v,n];
				case 3: return [m,n,v];
				case 4: return [n,m,v];
				case 5: return [v,m,n];
			}
		}

		function removePicker() {
			delete jscolor.picker.owner;
			document.getElementsByTagName('body')[0].removeChild(jscolor.picker.boxB);
		}

		function drawPicker(x, y) {
			let padImg;

			if (!jscolor.picker) {
				jscolor.picker = {
					box : document.createElement('div'),
					boxB : document.createElement('div'),
					pad : document.createElement('div'),
					padB : document.createElement('div'),
					padM : document.createElement('div'),
					sld : document.createElement('div'),
					sldB : document.createElement('div'),
					sldM : document.createElement('div'),
					btn : document.createElement('div'),
					btnS : document.createElement('span'),
					btnT : document.createTextNode(THIS.pickerCloseText),
				};
				for (let i=0,segSize=4; i<jscolor.images.sld[1]; i+=segSize) {
					const seg = document.createElement('div');
					seg.style.height = segSize+'px';
					seg.style.fontSize = '1px';
					seg.style.lineHeight = '0';
					jscolor.picker.sld.appendChild(seg);
				}
				jscolor.picker.sldB.appendChild(jscolor.picker.sld);
				jscolor.picker.box.appendChild(jscolor.picker.sldB);
				jscolor.picker.box.appendChild(jscolor.picker.sldM);
				jscolor.picker.padB.appendChild(jscolor.picker.pad);
				jscolor.picker.box.appendChild(jscolor.picker.padB);
				jscolor.picker.box.appendChild(jscolor.picker.padM);
				jscolor.picker.btnS.appendChild(jscolor.picker.btnT);
				jscolor.picker.btn.appendChild(jscolor.picker.btnS);
				jscolor.picker.box.appendChild(jscolor.picker.btn);
				jscolor.picker.boxB.appendChild(jscolor.picker.box);
			}

			const p = jscolor.picker;

			// controls interaction
			p.box.onmouseup
			= p.box.onmouseout = function () {
					target.focus();
				};
			p.box.onmousedown = function () {
				abortBlur=true;
			};
			p.box.onmousemove = function (e) {
				if (holdPad || holdSld) {
					holdPad && setPad(e);
					holdSld && setSld(e);

					if (document.selection) {
						document.selection.empty();
					} else if (window.getSelection) {
						window.getSelection().removeAllRanges();
					}

					dispatchImmediateChange();
				}
			};
			p.padM.onmouseup
			= p.padM.onmouseout = function () {
					if (holdPad) {
						holdPad=false; jscolor.fireEvent(valueElement,'change');
					}
				};
			p.padM.onmousedown = function (e) {
				// if the slider is at the bottom, move it up
				switch (modeID) {
					case 0:
						if (THIS.hsv[2] === 0) {
							THIS.fromHSV(null, null, 1.0);
						}

						break;
					case 1:
						if (THIS.hsv[1] === 0) {
							THIS.fromHSV(null, 1.0, null);
						}

						break;
				}
				holdPad=true;
				setPad(e);
				dispatchImmediateChange();
			};
			p.sldM.onmouseup
			= p.sldM.onmouseout = function () {
					if (holdSld) {
						holdSld=false; jscolor.fireEvent(valueElement,'change');
					}
				};
			p.sldM.onmousedown = function (e) {
				holdSld=true;
				setSld(e);
				dispatchImmediateChange();
			};

			// picker
			const dims = getPickerDims(THIS);
			p.box.style.width = dims[0] + 'px';
			p.box.style.height = dims[1] + 'px';

			// picker border
			p.boxB.style.position = 'absolute';
			p.boxB.style.clear = 'both';
			p.boxB.style.left = x+'px';
			p.boxB.style.top = y+'px';
			p.boxB.style.zIndex = THIS.pickerZIndex;
			p.boxB.style.border = THIS.pickerBorder+'px solid';
			p.boxB.style.borderColor = THIS.pickerBorderColor;
			p.boxB.style.background = THIS.pickerFaceColor;

			// pad image
			p.pad.style.width = jscolor.images.pad[0]+'px';
			p.pad.style.height = jscolor.images.pad[1]+'px';

			// pad border
			p.padB.style.position = 'absolute';
			p.padB.style.left = THIS.pickerFace+'px';
			p.padB.style.top = THIS.pickerFace+'px';
			p.padB.style.border = THIS.pickerInset+'px solid';
			p.padB.style.borderColor = THIS.pickerInsetColor;

			// pad mouse area
			p.padM.style.position = 'absolute';
			p.padM.style.left = '0';
			p.padM.style.top = '0';
			p.padM.style.width = THIS.pickerFace + 2*THIS.pickerInset + jscolor.images.pad[0] + jscolor.images.arrow[0] + 'px';
			p.padM.style.height = p.box.style.height;
			p.padM.style.cursor = 'crosshair';

			// slider image
			p.sld.style.overflow = 'hidden';
			p.sld.style.width = jscolor.images.sld[0]+'px';
			p.sld.style.height = jscolor.images.sld[1]+'px';

			// slider border
			p.sldB.style.display = THIS.slider ? 'block' : 'none';
			p.sldB.style.position = 'absolute';
			p.sldB.style.right = THIS.pickerFace+'px';
			p.sldB.style.top = THIS.pickerFace+'px';
			p.sldB.style.border = THIS.pickerInset+'px solid';
			p.sldB.style.borderColor = THIS.pickerInsetColor;

			// slider mouse area
			p.sldM.style.display = THIS.slider ? 'block' : 'none';
			p.sldM.style.position = 'absolute';
			p.sldM.style.right = '0';
			p.sldM.style.top = '0';
			p.sldM.style.width = jscolor.images.sld[0] + jscolor.images.arrow[0] + THIS.pickerFace + 2*THIS.pickerInset + 'px';
			p.sldM.style.height = p.box.style.height;
			try {
				p.sldM.style.cursor = 'pointer';
			} catch (eOldIE) {
				p.sldM.style.cursor = 'hand';
			}

			// "close" button
			function setBtnBorder() {
				const insetColors = THIS.pickerInsetColor.split(/\s+/);
				p.btn.style.borderColor = insetColors.length < 2 ? insetColors[0] : insetColors[1] + ' ' + insetColors[0] + ' ' + insetColors[0] + ' ' + insetColors[1];
			}
			p.btn.style.display = THIS.pickerClosable ? 'block' : 'none';
			p.btn.style.position = 'absolute';
			p.btn.style.left = THIS.pickerFace + 'px';
			p.btn.style.bottom = THIS.pickerFace + 'px';
			p.btn.style.padding = '0 15px';
			p.btn.style.height = '18px';
			p.btn.style.border = THIS.pickerInset + 'px solid';
			setBtnBorder();
			p.btn.style.color = THIS.pickerButtonColor;
			p.btn.style.font = '12px sans-serif';
			p.btn.style.textAlign = 'center';
			try {
				p.btn.style.cursor = 'pointer';
			} catch (eOldIE) {
				p.btn.style.cursor = 'hand';
			}
			p.btn.onmousedown = function () {
				THIS.hidePicker();
			};
			p.btnS.style.lineHeight = p.btn.style.height;

			// load images in optimal order
			switch (modeID) {
				case 0:
					padImg = 'hs.png';
					break;
				case 1:
					padImg = 'hv.png';
					break;
			}
			p.padM.style.backgroundImage = "url('"+jscolor.getDir()+"cross.gif')";
			p.padM.style.backgroundRepeat = "no-repeat";
			p.sldM.style.backgroundImage = "url('"+jscolor.getDir()+"arrow.gif')";
			p.sldM.style.backgroundRepeat = "no-repeat";
			p.pad.style.backgroundImage = "url('"+jscolor.getDir()+padImg+"')";
			p.pad.style.backgroundRepeat = "no-repeat";
			p.pad.style.backgroundPosition = "0 0";

			// place pointers
			redrawPad();
			redrawSld();

			jscolor.picker.owner = THIS;
			document.getElementsByTagName('body')[0].appendChild(p.boxB);
		}

		function getPickerDims(o) {
			return [
				2 * o.pickerInset + 2 * o.pickerFace + jscolor.images.pad[0]
        + (o.slider ? 2 * o.pickerInset + 2 * jscolor.images.arrow[0] + jscolor.images.sld[0] : 0),
				o.pickerClosable
					? 4 * o.pickerInset + 3 * o.pickerFace + jscolor.images.pad[1] + o.pickerButtonHeight
					: 2 * o.pickerInset + 2 * o.pickerFace + jscolor.images.pad[1],
			];
		}

		function redrawPad() {
			let yComponent;
			// redraw the pad pointer
			switch (modeID) {
				case 0:
					yComponent = 1;
					break;
				case 1:
					yComponent = 2;
					break;
			}
			const x = Math.round((THIS.hsv[0]/6) * (jscolor.images.pad[0]-1));
			const y = Math.round((1-THIS.hsv[yComponent]) * (jscolor.images.pad[1]-1));
			jscolor.picker.padM.style.backgroundPosition
				= (THIS.pickerFace+THIS.pickerInset+x - Math.floor(jscolor.images.cross[0]/2)) + 'px '
				+ (THIS.pickerFace+THIS.pickerInset+y - Math.floor(jscolor.images.cross[1]/2)) + 'px';

			// redraw the slider image
			const seg = jscolor.picker.sld.childNodes;

			let i;
			switch (modeID) {
				case 0:
					let rgb = HSV_RGB(THIS.hsv[0], THIS.hsv[1], 1);
					for (i = 0; i<seg.length; i+=1) {
						seg[i].style.backgroundColor = 'rgb('
							+(rgb[0]*(1-i/seg.length)*100)+'%,'
							+(rgb[1]*(1-i/seg.length)*100)+'%,'
							+(rgb[2]*(1-i/seg.length)*100)+'%)';
					}
					break;
				case 1:
					let s;
					const c = [THIS.hsv[2], 0, 0];
					i = Math.floor(THIS.hsv[0]);
					const f = i % 2 ? THIS.hsv[0] - i : 1 - (THIS.hsv[0] - i);
					switch (i) {
						case 6:
						case 0: rgb=[0,1,2]; break;
						case 1: rgb=[1,0,2]; break;
						case 2: rgb=[2,0,1]; break;
						case 3: rgb=[2,1,0]; break;
						case 4: rgb=[1,2,0]; break;
						case 5: rgb=[0,2,1]; break;
					}
					for (i = 0; i<seg.length; i+=1) {
						s = 1 - 1/(seg.length-1)*i;
						c[1] = c[0] * (1 - s*f);
						c[2] = c[0] * (1 - s);
						seg[i].style.backgroundColor = 'rgb('
							+(c[rgb[0]]*100)+'%,'
							+(c[rgb[1]]*100)+'%,'
							+(c[rgb[2]]*100)+'%)';
					}
					break;
			}
		}

		function redrawSld() {
			let yComponent;
			// redraw the slider pointer
			switch (modeID) {
				case 0:
					yComponent = 2;
					break;
				case 1:
					yComponent = 1;
					break;
			}
			const y = Math.round((1-THIS.hsv[yComponent]) * (jscolor.images.sld[1]-1));
			jscolor.picker.sldM.style.backgroundPosition
				= '0 ' + (THIS.pickerFace+THIS.pickerInset+y - Math.floor(jscolor.images.arrow[1]/2)) + 'px';
		}

		function isPickerOwner() {
			return jscolor.picker && jscolor.picker.owner === THIS;
		}

		function blurTarget() {
			if (valueElement === target) {
				THIS.importColor();
			}

			if (THIS.pickerOnfocus) {
				THIS.hidePicker();
			}
		}

		function blurValue() {
			if (valueElement !== target) {
				THIS.importColor();
			}
		}

		function setPad(e) {
			const mpos = jscolor.getRelMousePos(e);
			const x = mpos.x - THIS.pickerFace - THIS.pickerInset;
			const y = mpos.y - THIS.pickerFace - THIS.pickerInset;
			switch (modeID) {
				case 0: THIS.fromHSV(x*(6/(jscolor.images.pad[0]-1)), 1 - y/(jscolor.images.pad[1]-1), null, leaveSld); break;
				case 1: THIS.fromHSV(x*(6/(jscolor.images.pad[0]-1)), null, 1 - y/(jscolor.images.pad[1]-1), leaveSld); break;
			}
		}

		function setSld(e) {
			const mpos = jscolor.getRelMousePos(e);
			const y = mpos.y - THIS.pickerFace - THIS.pickerInset;
			switch (modeID) {
				case 0: THIS.fromHSV(null, null, 1 - y/(jscolor.images.sld[1]-1), leavePad); break;
				case 1: THIS.fromHSV(null, 1 - y/(jscolor.images.sld[1]-1), null, leavePad); break;
			}
		}

		function dispatchImmediateChange() {
			if (THIS.onImmediateChange) {
				if (typeof THIS.onImmediateChange === 'string') {
					eval(THIS.onImmediateChange);
				} else {
					THIS.onImmediateChange(THIS);
				}
			}
		}

		abortBlur = false;
		holdPad = false;
		holdSld = false;

		// target
		jscolor.addEvent(target, 'focus', function () {
			if (THIS.pickerOnfocus) {
				THIS.showPicker();
			}
		});
		jscolor.addEvent(target, 'blur', function () {
			if (!abortBlur) {
				window.setTimeout(function () {
					abortBlur || blurTarget(); abortBlur=false;
				}, 0);
			} else {
				abortBlur = false;
			}
		});

		// valueElement
		if (valueElement) {
			const updateField = function () {
				THIS.fromString(valueElement.value, leaveValue);
				dispatchImmediateChange();
			};
			jscolor.addEvent(valueElement, 'keyup', updateField);
			jscolor.addEvent(valueElement, 'input', updateField);
			jscolor.addEvent(valueElement, 'blur', blurValue);
			valueElement.setAttribute('autocomplete', 'off');
		}

		// styleElement
		if (styleElement) {
			styleElement.jscStyle = {
				backgroundImage : styleElement.style.backgroundImage,
				backgroundColor : styleElement.style.backgroundColor,
				color : styleElement.style.color,
			};
		}

		// require images
		switch (modeID) {
			case 0: jscolor.requireImage('hs.png'); break;
			case 1: jscolor.requireImage('hv.png'); break;
		}
		jscolor.requireImage('cross.gif');
		jscolor.requireImage('arrow.gif');

		this.importColor();
	},
};

jscolor.install();
