stepIn = 20; // delay when fading in 
stepOut = 20; // delay when fading out 

autoFade = true; 

sloppyClass = true; 

hexa = new makearray(16); 
for(var i = 0; i < 10; i++) 
  hexa[i] = i; 
hexa[10]="a"; hexa[11]="b"; hexa[12]="c"; 
hexa[13]="d"; hexa[14]="e"; hexa[15]="f"; 

document.onmouseover = domouseover; 
document.onmouseout = domouseout; 

startColor = dehexize(startColor.toLowerCase()); 
endColor = dehexize(endColor.toLowerCase()); 

var fadeId = new Array(); 
var timerID = 0; 
var theElement,theTagName,theClassName,theUniqueID 

function dehexize(Color){ 
  var colorArr = new makearray(3); 
  for (i=1; i<7; i++){ 
    for (j=0; j<16; j++){ 
      if (Color.charAt(i) == hexa[j]){ 
        if (i%2 !=0) 
          colorArr[Math.floor((i-1)/2)]=eval(j)*16; 
        else 
          colorArr[Math.floor((i-1)/2)]+=eval(j); 
      } 
    } 
  } 
  return colorArr; 
} 

function domouseover() { 
  if(document.all) { 
    clearTimeout(timerID); 
    theElement = event.srcElement; 
    theTagName = theElement.tagName; 
    theClassName = theElement.className; 
    theUniqueID = theElement.uniqueID; 
    if ((theTagName == "A" && autoFade) || theClassName == "fade" || (sloppyClass && theClassName.indexOf("fade") != -1)) { 
      //alert(theElement); 
      fade(startColor,endColor,theUniqueID,stepIn); 
      timerID = setTimeout('pulsedown()',500); 
    } 
  } 
} 

function pulseup() { 
  if(document.all) { 
    clearTimeout(timerID); 
    if ((theTagName == "A" && autoFade) || theClassName == "fade" || (sloppyClass && theClassName.indexOf("fade") != -1)) { 
      //alert(theElement); 
      fade(startColor,endColor,theUniqueID,stepIn); 
      timerID = setTimeout('pulsedown(theElement)',500); 
    } 
  } 
} 

function pulsedown(theElement) { 
  if (document.all) { 
    clearTimeout(timerID); 
    if ((theTagName == "A" && autoFade) || theClassName == "fade" || (sloppyClass && theClassName.indexOf("fade") != -1)) { 
      //alert(theElement); 
      fade(endColor,startColor,theUniqueID,stepOut); 
      timerID = setTimeout('pulseup()',500); 
    } 
  } 
} 

function domouseout() { 
  if (document.all) { 
    clearTimeout(timerID); 
    var srcElement = event.srcElement; 
    if ((srcElement.tagName == "A" && autoFade) || srcElement.className == "fade" || (sloppyClass && srcElement.className.indexOf("fade") != -1)) 
      fade(endColor,startColor,srcElement.uniqueID,stepOut); 
  } 
} 


function makearray(n) { 
  this.length = n; 
  for(var i = 1; i <= n; i++) 
    this[i] = 0; 
  return this; 
} 

function hex(i) { 
  if (i < 0) 
    return "00"; 
  else if (i > 255) 
    return "ff"; 
  else 
    return "" + hexa[Math.floor(i/16)] + hexa[i%16];
} 

function setColor(r, g, b, element) { 
  var hr = hex(r); var hg = hex(g); var hb = hex(b); 
  element.style.color = "#"+hr+hg+hb; 
} 

function fade(s,e, element,step){ 
  var sr = s[0]; var sg = s[1]; var sb = s[2]; 
  var er = e[0]; var eg = e[1]; var eb = e[2]; 
  if (fadeId[0] != null && fade[0] != element){ 
    setColor(sr,sg,sb,eval(fadeId[0])); 
    var i = 1; 
    while(i < fadeId.length){ 
      clearTimeout(fadeId[i]); 
      i++; 
    } 
  } 
  for(var i = 0; i <= step; i++) { 
    fadeId[i+1] = setTimeout("setColor(Math.floor(" +sr+ " *(( " +step+ " - " +i+ " )/ " +step+ " ) + " +er+ " * (" +i+ "/" + 
                  step+ ")),Math.floor(" +sg+ " * (( " +step+ " - " +i+ " )/ " +step+ " ) + " +eg+ " * (" +i+ "/" +step+ 
                  ")),Math.floor(" +sb+ " * ((" +step+ "-" +i+ ")/" +step+ ") + " +eb+ " * (" +i+ "/" +step+ ")),"+element+");",i*step); 
  } 
  fadeId[0] = element; 
}
