Mascara para data

[arldin]

<script language=JavaScript>
    function formatar(src, mask) {
        var i = src.value.length;
        var saida = mask.substring(i,i+1);
        var ascii = event.keyCode;
        if (saida == "A") {
            if ((ascii >=97) && (ascii <= 122)) { event.keyCode -= 32; }
            else { event.keyCode = 0; }
        } else if (saida == "0") {
            if ((ascii >= 48) && (ascii <= 57)) { return }
            else { event.keyCode = 0 }
        } else if (saida == "#") {
            return;
        } else {
            src.value += saida;
            
           
            if (saida == "A") {
                if ((ascii >=97) && (ascii <= 122)) { event.keyCode -= 32; }
               
            
                
              
            } else { return; }
        }
    }
</SCRIPT>
<P>DATA <INPUT onkeypress="formatar(this,'00/00/0000')" id=dta 
style="WIDTH: 82px; HEIGHT: 22px" maxLength=10 size=10 name=dta 
background-color:#FFFFFF? padding-bottom:1px; padding-top:1px; 
padding-right:4px; padding-left:4px; font-weight:700; 8pt; font-size: Verdana; 
font-family: border-width:1px; style:dashed;></P>