Javascript,nizovi,pomoc

Code:


<script language="javascript">
     var a=new Array ("1","2","3","4","5");
     var b=new Array ("6", "7","8","9","0");
          for (var i=1; i<4; i++)
               {a[i]=b[i+1];
                 a[i+1]=b[i-1];}
</script>

Code:


<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Elite Security</title>

</head>

<body>
<div id="niz"></div>


<script language="javascript">
     var a=new Array ("1","2","3","4","5");
     var b=new Array ("6", "7","8","9","0");
          for (var i=1; i<4; i++)
               {a[i]=b[i+1];
                 a[i+1]=b[i-1];
                 document.getElementById("niz").innerHTML = document.getElementById("niz").innerHTML + '<p/>a[' + i + ']' + a[i] + '<p/>a[' + i+1 + ']' + a[i+1]}
</script>

</body>
</html>