Prova detta:
<html>
<head>
<script language="JavaScript"><!--
function kolla_ord(){
ord= document.foo.bar.value.split(" ")
for(var i=0; i< ord.length; i++){
if(ord[i].length>=5){ // Max ordlängd.
alert("För långt ord..."); return false;
}
}
}
//--></script>
</head>
<form name="foo" action="..." onsubmit="return kolla_ord();">
<input type="text" name="bar">
<input type="submit" value="kolla">
</form>
</html>
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- J-O-H-N-S-E-N -