number format text input mask

i found this page [URL=”http://www.wiseblocks.com/”]http://www.wiseblocks.com/[/URL] it has alot of really nice ideas. The problem is to use their ideas requires about 500k worth of Javascript and using Yahoo’s library. i only want to use the date and number portions and have been trying to duplicate the phone number slot fond on this page listed as ICTextMask but i seem to be failing horribly.. i have tried numberous ways and just cant seem to duplicate it.. here is one of my failed attempts… if anyone can look at this and suggest some ideas?

[CODE]<script>

function fomit(mm) {
v=new Array(‘1’,'(‘,’_’,’_’,’_’,’)’,’_’,’_’,’_’,’-‘,’_’,’_’,’_’,’_’);
j=mm.value
for(i=0;i<j.length;i++){
k=j.charAt(i);
if (i!=0||i!=1||i!=5||i!=9){
if (k==”||k==’ ‘) {
k=’_’;
}
v[i]=k;
}
else { v[i]=v[i] }
}
mm.value=v.join(”)
}
</script>

<label for=’trial’>Number</lable></br>
<input name=’trial’ id=’trial’ value=’1(___)___-____’ size=’12’ maxlength=’14’ onkeyup=’fomit(this)’>[/CODE]

Also in #JavaScript _↴