<HEAD>
<script LANGUAGE="JavaScript">
var sourisX, sourisY;
var flag = 0;
var posX = new Array();
var posY = new Array();
var isNetscape4 = (document.layers) ? true : false;
var isNetscape6 = !document.all && document.getElementById;
var isNetscape = isNetscape4 || isNetscape6;
var nb_point;
var hauteur = new Array();
var largeur = new Array();
var sens = new Array();
var nb_fois;
var compteur;
var origineY;
function initTrailer(caractere,police,taille,nombre,duree) {
nb_point = nombre;
nb_fois = duree/20;
document.write("<style type=text/css>");
document.write(".styleTrailer {VISIBILITY: hidden;");
document.write("FONT-SIZE: "+taille+"px;");
document.write("FONT-FAMILY: "+police+"; POSITION: absolute;}");
document.write("</style>");
for (i=0; i<nb_point; i++) {
document.write("<SPAN ID='calque"+i+"' CLASS='styleTrailer'>");
document.write(caractere+"</SPAN>")
}
if (isNetscape6)
document.addEventListener("mousedown",gestionSouris,true);
else {
if (isNetscape4)
document.captureEvents(Event.CLICK);
document.onmousedown = gestionSouris;
}
animationTrailer();
}
function gestionSouris(evenement) {
if (isNetscape) {
sourisX = evenement.pageX;
sourisY = evenement.pageY;
}
else {
sourisX = event.clientX + document.body.scrollLeft;
sourisY = event.clientY + document.body.scrollTop;
}
if (flag == 0) {
for (i=0; i<nb_point; i++) {
couleur = "#"+((Math.random()>.5) ? "FF" : "80")
couleur += ((Math.random()>.5) ? "FF" : "80");
couleur += ((Math.random()>.5) ? "FF" : "80");
if (isNetscape4)
eval('document.layers["calque'+i+'"].color = "'+couleur+'";');
else if (isNetscape6)
eval('document.getElementById("calque'+i+'").style.color = "'+couleur+'";');
else
eval('document.all.calque'+i+'.style.color = "'+couleur+'";');
sens[i] = (Math.random()>.5) ? -1 : 1;
largeur[i] = Math.random()*1.5;
hauteur[i] = Math.random()*2+1;
posX[i] = sourisX;
posY[i] = sourisY;
visibilidad("calque"+i,true);
}
compteur = nb_fois;
origineY = sourisY;
flag = 1;
}
}
function animationTrailer() {
if (flag == 1) {
for (i=0; i<nb_point; i++) {
posX[i] = posX[i] + sens[i]*largeur[i];
posY[i] = origineY + hauteur[i]*((nb_fois-compteur-30)*(nb_fois-compteur-30)/30-30);
}
compteur--;
for (i=0; i<nb_point; i++) {
if (isNetscape4) {
var calque = eval("document.calque"+i);
calque.left = posX[i];
calque.top = posY[i];
}
else if (isNetscape6) {
var calque = eval("document.getElementById('calque"+i+"').style");
calque.left = posX[i];
calque.top = posY[i];
}
else {
var calque = eval("calque"+(i)+".style");
calque.posLeft = posX[i];
calque.posTop = posY[i];
}
}
if (compteur == 0) {
for (i=0; i<nb_point; i++)
visibilidad("calque"+i,false);
flag = 0;
}
}
setTimeout("animationTrailer()",20);
}
function visibilidad(calque,etat) {
if (etat == false)
etat = (isNetscape4) ? "hide" : "hidden";
else
etat = "visible";
if (isNetscape4)
eval('document.layers["'+calque+'"].visibility = "'+etat+'";');
else if (isNetscape6)
eval('document.getElementById("'+calque+'").style.visibility = "'+etat+'";');
else
eval('document.all.'+calque+'.style.visibility = "'+etat+'";');
}
</script>
</HEAD>
<script LANGUAGE=JavaScript>
</script>
</HEAD>
<BODY BGCOLOR="#ffffff">
<Font size=3, color='White'>Haz click para ejecutar el script</font>
<script LANGUAGE=JavaScript>{
initTrailer("Tutores.org", "Arial", 25, 20, 1900);
}
</script>
</BODY>
