to pass the id into javascript

[Govinda Gopala]

i have a simple doubt

am suppose to pass an id into javascript

where am suppose to fetch from the passed argument in javascript using getelementbyid

how am i suppose to do this?



in the html

<span id='NoteForUser'></span>
<input type="textfield" id="txtDate">
<button type="button" onclick="checkDate(txtDate)">Validate Date</button>

javascript

function checkDate(id){ 

// define date string to test 
var txtDate2 = document.getElementById(id).value; 
// check date and print message 
if (isDate(txtDate2)) { 
document.getElementById("NoteForUser").innerHTML = ""; 
} 
else { 
document.getElementById("NoteForUser").innerHTML = "Please Enter Valid Date"; 
} 
}

this is not working?

help

[Govinda Gopala]

figured it out

am suppose to use control
in the function definition
and control.id while fetching