var r3=document.getElementById("r3"); //get span to apply rainbow
var myRainbowSpan3=new RainbowSpan(r3, 0, 360, 255, 50, 348); //apply static rainbow effect
myRainbowSpan3.timer=window.setInterval("myRainbowSpan3.moveRainbow()", myRainbowSpan3.speed);