function popup(theURL, winName, winWidth, winHeight, features) 
{
	if (winWidth > (screen.width-100))
	{
		winWidth = screen.width-100;
	}
	
	if (winHeight > (screen.height-100))
	{
		winHeight = screen.height-100;
	}
	
	var w = (screen.width - winWidth)/2;
	var h = (screen.height - winHeight)/2 - 100;
	var features = features+',width='+winWidth+',height='+winHeight+',top='+h+',left='+w;
	
	_popup = window.open(theURL, winName, features);
	_popup.focus();
	return false;
}

function item_popup(pageID, itemID)
{
	var winName = '';
	var winWidth = 1000;
	var winHeight = 750;
	var features = 'menubar=yes,resizable=yes,scrollbars=yes';
	return popup('/content/item_popup.php?page='+pageID+'&id='+itemID, winName, winWidth, winHeight, features);
}

// Функция открытия окон с большими фотографиями
function bigFotoWin(page_id, slide_id, width, height)
{
	window.open('/tpl/popup_foto.php?page_id='+page_id+'&slide_id='+slide_id,'screen','width='+width+' height='+height+',scrollbars=1,resizable=1');
	return false;
}