var totalcycles = 0;
var curcolr = 1;
var colors, intrvID;

function init() {
	colors = new Array(4);
	colors[1] ="purple";
	colors[2] ="blue";
	colors[3] ="brown";
	colors[4] ="green";
}

function CycleColrs () {
	curcolr = (curcolr == 4) ? 1 : ++curcolr;
	document.all.colr1.style.color = colors [curcolr];
	if(totalcycles++ < 100) {
		intrvID = setTimeout("CycleColrs()",500);
	} else {
		clearTimeout(intrvID);
	}
}