<input type="submit" value="enviar" class="flashit">
<input type="name" value="Escribe tu email" class="flashit">
<script language="JavaScript1.2">
var flashcolor="red"
var flashinterval=1000
var formcollect=document.getElementsByTagName? document.getElementsByTagName("FORM") : document.all? document.all.tags("FORM") : new Array()
var flashcollect=new Array()
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if (formcollect[i].elements[e].className=="flashit")
flashcollect[flashcollect.length]=formcollect[i].elements[e]
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}
function flashelements(){
for (f=0; f<flashcollect.length; f++){
if (flashcollect[f].style.color=='')
flashcollect[f].style.color=flashcolor
else
flashcollect[f].style.color=""
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if (flashcollect.length>0)
setInterval("flashelements()",flashinterval)