startColor = "#671700"; // 定义链接颜色
endColor = "#FF2894";  // 定义要渐变到最后的颜色
stepIn = 17; 
stepOut = 23; 
/*
定义是否让所有的文本链接自动渐变，true为是，false为否
*/
autoFade = true;  
/*
在这里定义css样式里的类class：fade，如果为true，那么你要将要渐变的链接上加上此fade样式
*/
sloppyClass = false; 
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();
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){
   var srcElement = event.srcElement;
   if ((srcElement.tagName == "A" && autoFade) || srcElement.className == "fade" || (sloppyClass && srcElement.className.indexOf("fade") != -1))
        fade(startColor,endColor,srcElement.uniqueID,stepIn);      
   }
}
function domouseout() {
  if (document.all){
   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;
}








//双击鼠标滚动屏幕的代码
var currentpos,timer;
function initialize()
{
timer=setInterval ("scrollwindow ()",30);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos !=document.body.scrollTop)
sc();
}
document.onmousedown=sc
document.ondblclick=initialize











nereidFadeObjects = new Object();
nereidFadeTimers = new Object();
function nereidFade(object, destOp, rate, delta){
if (!document.all)
return
    if (object != "[object]"){  //do this so I can take a string too
        setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);
        return;
    }
    clearTimeout(nereidFadeTimers[object.sourceIndex]);
    diff = destOp-object.filters.alpha.opacity;
    direction = 1;
    if (object.filters.alpha.opacity > destOp){
        direction = -1;
    }
    delta=Math.min(direction*diff,delta);
    object.filters.alpha.opacity+=direction*delta;
    if (object.filters.alpha.opacity != destOp){
        nereidFadeObjects[object.sourceIndex]=object;
        nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
    }
}