//---------------------------------------------------------------------
function load_img(id, h, w)
{
//	document.body.clientWidth
	var l = (screen.width  - w)/2;
 	var t = (screen.height - h)/2;
	window.open('/img.php?img='+id, '', 'resizable=yes,scrollbars=yes,height='+h+',width='+w+',top='+t+',left='+l);
}
//--------------------------------------------------------
function enable_button()
{
	var empt = 0;
	names = new Array('name', 'phone', 'email');
	for (i = 0; i < names.length; i++)
	{
		if (document.getElementById(names[i]).value != '')
		{
			document.getElementById('div_'+names[i]).style.color='#000000';
			empt++;
		}
		else document.getElementById('div_'+names[i]).style.color='#EE005F';
	}

	if (empt == names.length)
		document.getElementById('button').disabled = false;
	else
		document.getElementById('button').disabled = true;
}
//--------------------------------------------------------
function reset_button()
{
	names = new Array('name', 'phone', 'email', 'date', 'comment');
	for (i = 0; i < names.length; i++)
	{
		if (!document.getElementById(names[i]))
			continue;
		document.getElementById(names[i]).value = '';
	}
	enable_button();
}
//--------------------------------------------------------
function check_email(str)
{
var res = str.match(/[A-Za-z0-9.\-_]+@[A-Za-z0-9.\-_]+\.[A-Za-z]+/i);
if (!res)
{
	document.getElementById('email').value = '';
	enable_button();
	return false;
}
}