var whitespace = " \t\n\r";
var reWhitespace = /^\s+$/
function isEmpty(s){
    return ((s == null) || (s.length == 0));
}
function isWhitespace (s){
	return (isEmpty(s) || reWhitespace.test(s));
}
function verify(frm){

	if(isWhitespace(frm.title.value)){
		alert('Please, enter a title for this image.');
		frm.title.focus();
        return false;
    }

	if(isWhitespace(frm.img.value)){
		alert('Please, select an Image to Upload.');
		frm.img.focus();
        return false;
    }

	document.getElementById('butuplo').style.display = 'none';
}