Javascript 实现变颜色的文本

<p style="margin:5px,5px,5px,5px; ">
<SCRIPT language=JavaScript1.2>
<!-- Begin
function initArray() {
this.length = initArray.arguments.length;
for (var i = 0; i < this.length; i++) {
this[i] = initArray.arguments[i];
   }
}
var ctext = "Labour Day clearance sale! Up to 10% off.";
var speed = 2000;
var x = 0;
var color = new initArray(
 "#BD8E00",
 "#ff0000",
 "#0000ff"
);
if(navigator.appName == "Netscape") {
 document.write('

'+ctext+'
');
}
if (navigator.appVersion.indexOf("MSIE") != -1){
 document.write('

'+ctext+'

');
}
function chcolor(){
 if(navigator.appName == "Netscape") {
  document.c.document.write('+color[x]);
  document.c.document.write('">'+ctext+'');
  document.c.document.close();
 }
 else if (navigator.appVersion.indexOf("MSIE") != -1){
  document.all.c.style.color = color[x];
 }
 (x < color.length-1) ? x++ : x = 0;
}
setInterval("chcolor()",1000);
// End -->

</SCRIPT>
</p>