$(document).ready(function()
{
$("#contentbox").keyup(function()
{
var box=$(this).val();
var main = box.length *100;
var value= (main / 50);
var count= 50 - box.length;

if(box.length <= 50)
{
$('#count').html(count);
$('#bar').animate(
{
"width": value+'%',


}, 1);
}
else
{
alert('Full');
}
return false;
});

});