var message="S a l o n e   C o r n e l i o "
message=message.split(" ")

var step=8 
var stepbasic=8


var x,y
var flag=0
var xpos=new Array()
for (i=0;i<=message.length-1;i++) {
	xpos[i]=-100
}

var ypos=new Array()
for (i=0;i<=message.length-1;i++) {
	ypos[i]=-100
}

var spacebetweenwords=new Array()
for (i=0;i<=message.length-1;i++) {
	spacebetweenwords[i]=stepbasic+step*message[i].length-1
}

var colorstep=Math.round(255/message.length-1)

var colorrgb=new Array()
for (i=0;i<=message.length-1;i++) {
	colorrgb[i]=i*colorstep
}

var wordcolor=new Array()
for (i=0;i<=message.length-1;i++) {
    var colhex_left = Math.floor(colorrgb[i]/16)
    var colhex_right= colorrgb[i]-(colhex_left*16)
    if (colhex_left == 10) {colhex_left="A"}
    if (colhex_left == 11) {colhex_left="B"}
    if (colhex_left == 12) {colhex_left="C"}
    if (colhex_left == 13) {colhex_left="D"}
    if (colhex_left == 14) {colhex_left="E"}
    if (colhex_left == 15) {colhex_left="F"}  
    if (colhex_right == 10) {colhex_right="A"}
    if (colhex_right == 11) {colhex_right="B"}
    if (colhex_right == 12) {colhex_right="C"}
    if (colhex_right == 13) {colhex_right="D"}
    if (colhex_right == 14) {colhex_right="E"}
    if (colhex_right == 15) {colhex_right="F"}    
    wordcolor[i] =""+colhex_left+colhex_right
}

function handlerMM(e){
	x = (document.layers) ? e.pageX : document.body.scrollLeft+event.clientX
	y = (document.layers) ? e.pageY : document.body.scrollTop+event.clientY
	flag=1
}

function makesnake() {
	if (flag==1 && document.all) {
    	for (i=message.length-1; i>=1; i--) {
   			xpos[i]=xpos[i-1]+spacebetweenwords[i-1]
			ypos[i]=ypos[i-1]
    	}
		xpos[0]=x+stepbasic
		ypos[0]=y
	
		for (i=0; i<message.length-1; i++) {
    		var thisspan = eval("span"+(i)+".style")
    		thisspan.posLeft=xpos[i]
			thisspan.posTop=ypos[i]
    	}
	}
	
	else if (flag==1 && document.layers) {
    	for (i=message.length-1; i>=1; i--) {
   			xpos[i]=xpos[i-1]+spacebetweenwords[i-1]
			ypos[i]=ypos[i-1]
    	}
		xpos[0]=x+stepbasic
		ypos[0]=y
	
		for (i=0; i<message.length-1; i++) {
    		var thisspan = eval("document.span"+i)
    		thisspan.left=xpos[i]
			thisspan.top=ypos[i]
    	}
	}
		var timer=setTimeout("makesnake()",30)
}

<!-- Beginning of JavaScript -

for (i=0;i<=message.length-1;i++) {
    document.write("<span id='span"+i+"' class='spanstyle'>")
	document.write("<font color='"+wordcolor[i]+wordcolor[i]+wordcolor[i]+"'>"+message[i]+"</font>")
    document.write("</span>")
}

if (document.layers){
	document.captureEvents(Event.MOUSEMOVE);
}
document.onmousemove = handlerMM;

// - End of JavaScript - -->