var ctext = "阿里通网络电话，免费通话6到100分钟";
var speed = 100;
var x = 0;
var color = new initArray(
"#000066", 
"#ff0000"
);
function initArray() {
this.length = initArray.arguments.length;
for (var i = 0; i < this.length; i++) {
this[i] = initArray.arguments[i];
   }
}

function chcolor(){ 
if(navigator.appName == "Netscape") {
document.c.document.write('<font color="'+color[x]);
document.c.document.write('">'+ctext+'</font>');
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;
}