function validation()
 {

    if(document.getElementById('MessageBoardHeader1$txtUserName').value =="")
    {
       alert("Please enter user name.");
       document.getElementById('MessageBoardHeader1$txtUserName').focus();
       return false;
    }
    else if(document.getElementById('MessageBoardHeader1$txtPassword').value =='')
    {
        alert("Please enter password.");
        document.getElementById('MessageBoardHeader1$txtPassword').focus();
        return false;
    }
    else
    {
        return true;
    }

}



 
function stripHTMLFromString(oldString)
 {

    var vStripped = '';

    vStripped = oldString.value;

    vStripped = vStripped.replace(/(<([^>]+)>)/ig,""); 
alert(vStripped);
    //vStripped = vStripped.replace(/<&#91;^>&#93;*>/g, ""); 

    return vStripped;


}