Untitled

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script src="pwh.js"></script>
<style type="text/css">
<!--
#apDiv1 {
position:absolute;
left:10px;
top:15px;
width:297px;
height:59px;
z-index:1;
color:000;
}
-->
</style>
</head>

<body>

<div id="apDiv1">
<p>
<select name="marked" id="marked" onchange="checkdata(this); ">
<option value="">SELECT</option>
<option>201</option>
<option>206</option>
<option>224</option>
<option>319</option>
</select>
<select name="marked1" id="marked1" onchange="checkdata(this); ">
<option>SELECT</option>
<option>201</option>
<option>206</option>
<option>224</option>
<option>319</option>
</select>
<button onClick="myFunction()">Calculate</button>
<p id="demo"></p>

</div>
<script type="text/javascript">

function myFunction(){
var select1 = parseInt(document.getElementById("marked").value);
var select2 = parseInt(document.getElementById("marked1").value);
if (select1 == a && select2 == b)
 {
    document.getElementById("demo").innerHTML = "it works";
}}


</script>
</body>
</html>

var a=["201","206","224"];
var b=["319","333","354","355","c355"];
var c=["356","a356","357","a357","413","443","a444"];
var d=["511","512","513","514","535"];
var e=["7004","7005","7039","710","712"];
var f=["6009","6010","6070"];
var g=["6005","6051","6063","6101","6151","6201","6351","6951"];
var h=["5456"];
var i=["5454"];
var j=["5154","5254"];
var k=["5086"];
var l=["5083"];
var m=["5052","5652"];
var n=["5005","5050"];
var o=["3004","Alc-3004"];
var p=["2219"];
var q=["2014","2036"];
var r=["1100","3003","Alc-3003"];
var s=["1060","1070","1080","1350"];

var select1 = document.getElementById("marked").value;
var select2 = document.getElementById("marked1").value;
if (a.indexOf(select1) > -1 && b.indexOf(select2) > -1) {...}