function initArray() {
this.length = initArray.arguments.length;
for (var i = 0; i < this.length; i++) {
this[i] = initArray.arguments[i];
   }
}
var ctext = "Art on Every Step!!";
var speed = 2000;
var x = 0;
var color = new initArray(
"#ff0000",
"#0000ff",
"#009900" 
);



function chcolor()
{ 

document.all.kouhao.style.color = color[x];

(x < color.length-1) ? x++ : x = 0;

}
setInterval("chcolor()",1500);