JavaScript Mouse Event Part 3

Code:

<script language="javascript">
function xyz(){
document.frm.name.value="Enter Name";

}
function abc(){
document.frm.name.value="";

}

function cd(){
var sl = document.frm.lang.value;
alert(sl);

}

</script>

<form name="frm">

<label>Enter Your Name</label>
    <input type="text" name="name" id="name" onFocus="xyz()" onBlur="abc()"/>
   
    <label>Select Language</label>
    <select name="lang" id="lang" onChange="cd()">
    <option value="bangla">Bangla</option>
    <option value="english">English</option>
    <option value="spanish">Spanish</option>
    <option value="frence">Frence</option>
   
    </select>
</form>