var countdownfrom = 10;
var currentsecond=countdownfrom+1;

function countredirect()
{
    if (currentsecond!=1)
    {
        currentsecond-=1
        $('#counter').html(currentsecond);
    }
    else
    {
        window.location=$('#url').val();
        return
    }
    setTimeout("countredirect()",1000)
}
$(document).ready(function (){
    countredirect();
})