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<html>
<body>
<form name="formularz">
<input type="text" name="slowo"><br>
<input type="submit" value="wynik" onClick="inicjaly()">
</form>
<script language="JavaScript">

function inicjaly(){
s1=(document.formularz.slowo.value);
s2=s1[0]+"."+" ";
for(i=1;i<s1.length;i++){
if(s1[i]==" ")
s2=s2+s1[i+1]+" ";
}
alert(s2);
}
</script>
</body>
</html>