https://www.uni-weimar.de/qisserver/pub//js/availability.js

1"use strict";
2var count = 0;
3
4String.prototype.beginsWith = function (string) {
5  return(this.indexOf(string) === 0);
6};
7
8String.prototype.endsWith = function(string) {
9var end = this.substring((this.length - string.length), this.length);
10return (end === string);
11};
12
13function colorToHex(color) {
14  if (color.substr(0, 1) === '#') {
15      return color;
16  }
17  var digits = /(.*?)rgb\((\d+), (\d+), (\d+)\)/.exec(color);
18  
19  var red = parseInt(digits[2]);
20  var green = parseInt(digits[3]);
21  var blue = parseInt(digits[4]);
22  
23  var rgb = blue | (green << 8) | (red << 16);
24  return digits[1] + '#' + rgb.toString(16);
25};
26
27function isChecked(element) {
28	var isChecked = false;
29	$.each(element.get(0).attributes, function(index, attr) {
30		var name = attr.nodeName;
31		if(name == "checked") {
32			isChecked = true;
33		}
34	});
35	return isChecked;
36}
37
38$(document).ready(function(){
39	$("input[type='radio']").each(function(){
40		var inputEle = $(this);
41		inputEle.click(setBackgroundColor);
42	});
43});
44
45function setBackgroundColor(ev) {
46	var srcElement = $(ev.target);
47	var color = srcElement.attr("onclickColor").toLowerCase();
48	var oldColor = colorToHex(srcElement.parent().css("background-color"));
49	srcElement.parent().css("background-color",color);
50	if(oldColor != color) {
51		var hasChecked = isChecked(srcElement);
52		if(hasChecked) {
53			count--;
54		} else {
55			count++;
56		}
57	}
58	if(count == 0) {
59		$("input[name='save']").each(function(){
60			var saveBtn = $(this);
61			saveBtn.css("background-image","");
62			var text = saveBtn.attr("value");
63			if(text.endsWith(" !")) {
64				saveBtn.attr("value",text.substr(0,text.length-2));
65			}
66		});
67	} else {
68		$("input[name='save']").each(function(){
69			var saveBtn = $(this);
70			saveBtn.css("background-image","url('/HISinOne/images/icons/submit_active_red.gif')");
71			var text = saveBtn.attr("value");
72			if(!text.endsWith(" !")) {
73				saveBtn.attr("value",text + " !");
74			}
75		});
76	}
77}