/* 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

function likePhoto(pid) {
	var _url = '/ajax-vote-process.php';
	var _data = 'pid=' + pid;
	var vc = document.getElementById('voteContainer_'+pid);

	$.ajax({
		type: 'POST',
		url: _url,
		data: _data,
		success: function(msg) {
			if (msg.indexOf('status=success') != -1) {
				vc.innerHTML = 'Thank you for voting';
			}
			else {
				alert(msg);
			}
		}
	});
}

function nextTask() {
	var selector = document.getElementById('task_selector');
	var next = null;

	if ( selector.selectedIndex == (selector.options.length - 1) ) {
		return;
	}

	for ( var i = 0; i < selector.options.length; i++ ) {
		if ( selector.options[i].selected ) {
			next = selector.options[i+1].value;
		}
	}
	//alert('nextTask ' + next); return;

	document.getElementById('task_id').value = next;
  document.getElementById('galleryForm').submit();
}

function prevTask() {
	var selector = document.getElementById('task_selector');
	var prev = null;

	if ( selector.selectedIndex == 0 ) {
		return;
	}

	for ( var i = 0; i < selector.options.length; i++ ) {
		if ( selector.options[i].selected ) {
			prev = selector.options[i-1].value;
		}
	}

	document.getElementById('task_id').value = prev;
  document.getElementById('galleryForm').submit();
}

function toggleButtons() {
	var selector = document.getElementById('task_selector');
	var nxtBtn = document.getElementById('nextTaskBtn');
	var prevBtn = document.getElementById('prevTaskBtn');

	if ( selector.selectedIndex == (selector.options.length - 1) ) {
		nxtBtn.disabled = true;
		return;
	} else if ( selector.selectedIndex == 0 ) {
		prevBtn.disabled = true;
		return;
	} else {
		nxtBtn.disabled = false;
		prevBtn.disabled = false;
	}
}

$(document).ready(function() {
	toggleButtons();
});