CodingForums.com - Canadian Postal Code Validation

Help me add an Auto Tab please.
Code:


<!DOCTYPE HTML>





<html>

<head>

<title></title>

<link rel="stylesheet" href=".css">

</head>



<script>





function checkfsa () 

{

var getfirst3 = document.getElementById("fsa").value;

var getlast3 = document.getElementById("ldu").value;

var check1 = new RegExp ("d", "i");

var check2 = new RegExp ("f", "i");

var check3 = new RegExp ("i", "i");

var check4 = new RegExp ("o", "i");

var check5 = new RegExp ("q", "i");

var check6 = new RegExp ("u", "i");

var check7 = new RegExp ("^\\d");

var check8 = new RegExp ("\\d{2}");

var check9 = new RegExp ("^\\D", "i");

var check10 = new RegExp ("\\D{2}", "i");

var check11 = new RegExp ("^[W]", "i");

var check12 = new RegExp ("^[Z]", "i");

var warning1 = "There are no 'd's in Canadian Postal Codes";

var warning2 = "There are no 'f's in Canadian Postal Codes";

var warning3 = "There are no 'i's in Canadian Postal Codes";

var warning4 = "There are no 'o's in Canadian Postal Codes";

var warning5 = "There are no 'q's in Canadian Postal Codes";

var warning6 = "There are no 'u's in Canadian Postal Codes";

var warning7 = "Letter|Number|Letter format for first 3 digits of Canadian Postal Codes";

var warning8 = "Number|Letter|Number format for the last 3 digits of Canadian Postal Codes";

var warning9 = "Canadian Postal Codes do not start with a 'w'";

var warning10 = "Canadian Postal Codes do not start with a 'z'";

if (check1.test(getfirst3))

{

document.getElementById("warning").innerHTML = warning1;

}

if (check2.test(getfirst3))

{

document.getElementById("warning").innerHTML = warning2;

}

if (check3.test(getfirst3))

{

document.getElementById("warning").innerHTML = warning3;

}

if (check4.test(getfirst3))

{

document.getElementById("warning").innerHTML = warning4;

}

if (check5.test(getfirst3))

{

document.getElementById("warning").innerHTML = warning5;

}

if (check6.test(getfirst3))

{

document.getElementById("warning").innerHTML = warning6;

}

if (check7.test(getfirst3))

{

document.getElementById("warning").innerHTML = warning7;

}

if (check8.test(getfirst3))

{

document.getElementById("warning").innerHTML = warning7;

}

if (check11.test(getfirst3))

{

document.getElementById("warning").innerHTML = warning9;

}

if (check12.test(getfirst3))

{

document.getElementById("warning").innerHTML = warning10;

}

if (check1.test(getlast3))

{

document.getElementById("warning").innerHTML = warning1;

}

if (check2.test(getlast3))

{

document.getElementById("warning").innerHTML = warning2;

}

if (check3.test(getlast3))

{

document.getElementById("warning").innerHTML = warning3;

}

if (check4.test(getlast3))

{

document.getElementById("warning").innerHTML = warning4;

}

if (check5.test(getlast3))

{

document.getElementById("warning").innerHTML = warning5;

}

if (check6.test(getlast3))

{

document.getElementById("warning").innerHTML = warning6;

}

if (check9.test(getlast3))

{

document.getElementById("warning").innerHTML = warning8;

}

if (check10.test(getlast3))

{

document.getElementById("warning").innerHTML = warning8;

}



}







</script>





<body>



Postal Code:

<input type="text" maxlength=3 size=3 id="fsa" onkeyup="checkfsa ();">

<input type="text" maxlength=3 size=3 id="ldu" onkeyup="checkfsa ()">



<!--fsa means Forward Sorting Area. ldu means Local Delivery Unit -->



<div id="warning"></div>



</body>

</html>