How To Add Colorful Effect For Your Links For Blogger

Let's add some fun to your blog by adding cool effect to your links when your visitors hover it. It’ll be lighting and colorful. It's easy and let's do it.

Steps:

1. Go to your Dashboard >> Design >> Page Element >> Add a Gadget.

 

2. Paste this code below inside :

<script type='text/javascript'>

 //<![CDATA[

 var rate = 25;

 if (document.getElementById)
  window.onerror=new Function("return true")

 var objActive;  // The object which event occured in
  var act = 0;    // Flag during the action
  var elmH = 0;   // Hue
  var elmS = 128; // Saturation
  var elmV = 255; // Value
  var clrOrg;     // A color before the change
  var TimerID;    // Timer ID

 if (document.all) {
  document.onmouseover = doRainbowAnchor;
  document.onmouseout = stopRainbowAnchor;
  }
  else if (document.getElementById) {
  document.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);
  document.onmouseover = Mozilla_doRainbowAnchor;
  document.onmouseout = Mozilla_stopRainbowAnchor;
  }

 function doRainbow(obj)
  {
  if (act == 0) {
  act = 1;
  if (obj)
  objActive = obj;
  else
  objActive = event.srcElement;
  clrOrg = objActive.style.color;
  TimerID = setInterval("ChangeColor()",100);
  }
  }


 function stopRainbow()
  {
  if (act) {
  objActive.style.color = clrOrg;
  clearInterval(TimerID);
  act = 0;
  }
  }


 function doRainbowAnchor()
  {
  if (act == 0) {
  var obj = event.srcElement;
  while (obj.tagName != 'A' && obj.tagName != 'BODY') {
  obj = obj.parentElement;
  if (obj.tagName == 'A' || obj.tagName == 'BODY')
  break;
  }

 if (obj.tagName == 'A' && obj.href != '') {
  objActive = obj;
  act = 1;
  clrOrg = objActive.style.color;
  TimerID = setInterval("ChangeColor()",100);
  }
  }
  }


 function stopRainbowAnchor()
  {
  if (act) {
  if (objActive.tagName == 'A') {
  objActive.style.color = clrOrg;
  clearInterval(TimerID);
  act = 0;
  }
  }
  }


 function Mozilla_doRainbowAnchor(e)
  {
  if (act == 0) {
  obj = e.target;
  while (obj.nodeName != 'A' && obj.nodeName != 'BODY') {
  obj = obj.parentNode;
  if (obj.nodeName == 'A' || obj.nodeName == 'BODY')
  break;
  }

 if (obj.nodeName == 'A' && obj.href != '') {
  objActive = obj;
  act = 1;
  clrOrg = obj.style.color;
  TimerID = setInterval("ChangeColor()",100);
  }
  }
  }


 function Mozilla_stopRainbowAnchor(e)
  {
  if (act) {
  if (objActive.nodeName == 'A') {
  objActive.style.color = clrOrg;
  clearInterval(TimerID);
  act = 0;
  }
  }
  }


 function ChangeColor()
  {
  objActive.style.color = makeColor();
  }


 function makeColor()
  {
  // Don't you think Color Gamut to look like Rainbow?

 // HSVtoRGB
  if (elmS == 0) {
  elmR = elmV;    elmG = elmV;    elmB = elmV;
  }
  else {
  t1 = elmV;
  t2 = (255 - elmS) * elmV / 255;
  t3 = elmH % 60;
  t3 = (t1 - t2) * t3 / 60;

 if (elmH < 60) {
  elmR = t1;  elmB = t2;  elmG = t2   t3;
  }
  else if (elmH < 120) {
  elmG = t1;  elmB = t2;  elmR = t1 - t3;
  }
  else if (elmH < 180) {
  elmG = t1;  elmR = t2;  elmB = t2   t3;
  }
  else if (elmH < 240) {
  elmB = t1;  elmR = t2;  elmG = t1 - t3;
  }
  else if (elmH < 300) {
  elmB = t1;  elmG = t2;  elmR = t2   t3;
  }
  else if (elmH < 360) {
  elmR = t1;  elmG = t2;  elmB = t1 - t3;
  }
  else {
  elmR = 0;   elmG = 0;   elmB = 0;
  }
  }

 elmR = Math.floor(elmR).toString(16);
  elmG = Math.floor(elmG).toString(16);
  elmB = Math.floor(elmB).toString(16);
  if (elmR.length == 1)    elmR = "0"   elmR;
  if (elmG.length == 1)    elmG = "0"   elmG;
  if (elmB.length == 1)    elmB = "0"   elmB;

 elmH = elmH   rate;
  if (elmH >= 360)
  elmH = 0;

 return '#'   elmR   elmG   elmB;
  }

 //]]>

 </script>

3. Save it. Done!

You can change;

var rate = 25;

The code is to control the speed of color transformation by increasing or decreasing the number.

Cheers!