1. Paste in Embed > Code
2.  
3. <script type='text/javascript'>
4. //<![CDATA[
5. var rate = 50;
6. if (document.getElementById)
7. window.onerror=new Function("return true")
8. var objActive; // The object which event occured in
9. var act = 0; // Flag during the action
10. var elmH = 0; // Hue
11. var elmS = 128; // Saturation
12. var elmV = 255; // Value
13. var clrOrg; // A color before the change
14. var TimerID; // Timer ID
15. if (document.all) {
16. document.onmouseover = doRainbowAnchor;
17. document.onmouseout = stopRainbowAnchor;
18. }
19. else if (document.getElementById) {
20. document.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);
21. document.onmouseover = MozilladoRainbowAnchor;
22. document.onmouseout = MozillastopRainbowAnchor;
23. }
24. function doRainbow(obj)
25. {
26. if (act == 0) {
27. act = 1;
28. if (obj)
29. objActive = obj;
30. else
31. objActive = event.srcElement;
32. clrOrg = objActive.style.color;
33. TimerID = setInterval("ChangeColor()",100);
34. }
35. }
36. function stopRainbow()
37. {
38. if (act) {
39. objActive.style.color = clrOrg;
40. clearInterval(TimerID);
41. act = 0;
42. }
43. }
44. function doRainbowAnchor()
45. {
46. if (act == 0) {
47. var obj = event.srcElement;
48. while (obj.tagName != 'A' && obj.tagName != 'BODY') {
49. obj = obj.parentElement;
50. if (obj.tagName 'A' || obj.tagName 'BODY')
51. break;
52. }
53. if (obj.tagName == 'A' && obj.href != '') {
54. objActive = obj;
55. act = 1;
56. clrOrg = objActive.style.color;
57. TimerID = setInterval("ChangeColor()",100);
58. }
59. }
60. }
61. function stopRainbowAnchor()
62. {
63. if (act) {
64. if (objActive.tagName == 'A') {
65. objActive.style.color = clrOrg;
66. clearInterval(TimerID);
67. act = 0;
68. }
69. }
70. }
71. function MozilladoRainbowAnchor(e)
72. {
73. if (act == 0) {
74. obj = e.target;
75. while (obj.nodeName != 'A' && obj.nodeName != 'BODY') {
76. obj = obj.parentNode;
77. if (obj.nodeName 'A' || obj.nodeName 'BODY')
78. break;
79. }
80. if (obj.nodeName == 'A' && obj.href != '') {
81. objActive = obj;
82. act = 1;
83. clrOrg = obj.style.color;
84. TimerID = setInterval("ChangeColor()",100);
85. }
86. }
87. }
88. function MozillastopRainbowAnchor(e)
89. {
90. if (act) {
91. if (objActive.nodeName == 'A') {
92. objActive.style.color = clrOrg;
93. clearInterval(TimerID);
94. act = 0;
95. }
96. }
97. }
98. function ChangeColor()
99. {
100. objActive.style.color = makeColor();
101. }
102. function makeColor()
103. {
104. // Don't you think Color Gamut to look like Rainbow?
105. // HSVtoRGB
106. if (elmS == 0) {
107. elmR = elmV; elmG = elmV; elmB = elmV;
108. }
109. else {
110. t1 = elmV;
111. t2 = (255 - elmS) elmV / 255;
112. t3 = elmH % 60;
113. t3 = (t1 - t2) t3 / 60;
114. if (elmH < 60) {
115. elmR = t1; elmB = t2; elmG = t2 + t3;
116. }
117. else if (elmH < 120) {
118. elmG = t1; elmB = t2; elmR = t1 - t3;
119. }
120. else if (elmH < 180) {
121. elmG = t1; elmR = t2; elmB = t2 + t3;
122. }
123. else if (elmH < 240) {
124. elmB = t1; elmR = t2; elmG = t1 - t3;
125. }
126. else if (elmH < 300) {
127. elmB = t1; elmG = t2; elmR = t2 + t3;
128. }
129. else if (elmH < 360) {
130. elmR = t1; elmG = t2; elmB = t1 - t3;
131. }
132. else {
133. elmR = 0; elmG = 0; elmB = 0;
134. }
135. }
136. elmR = Math.floor(elmR).toString(16);
137. elmG = Math.floor(elmG).toString(16);
138. elmB = Math.floor(elmB).toString(16);
139. if (elmR.length == 1) elmR = "0" + elmR;
140. if (elmG.length == 1) elmG = "0" + elmG;
141. if (elmB.length == 1) elmB = "0" + elmB
142. elmH = elmH + rate;
143. if (elmH >= 360)
144. elmH = 0;
145. return '#' + elmR + elmG + elmB;
146. }
147. //]]>
148. </script>
149.