function addComm(lang){
    check = true;
    name = document.getElementById('name').value.replace(/^\s+|\s+$/g, '');
    comment = document.getElementById('comment').value.replace(/^\s+|\s+$/g, '');
    if (name.length && comment.length){

    } else {
        check = false;
		if(lang=="est") alert('Palun sisestage nii nimi kui kommentaar!');
		else alert('Please enter your name and comment!');
        return;
    }
    if (document.getElementById('comment').value.length>1000){
        check = false;
        if (lang=="est") alert("Kommentaari maksimaalne pikkus on 1000 tähemärki.\nOlete sisestanud " + document.getElementById('comment').value.length + ' tähte!');
		else alert("The maximum length of the comment should be less than 1000 characters.\nCurrently it's " + document.getElementById('comment').value.length + ' characters!');
    }
    if (check){
        document.getElementById('validcomment').value = 'valid';
        document.getElementById('form_comment').submit();
    }
}