function showPopup(popup) {
	blackBack = $('<div id="blackBack"></div>');
	blackBack.height(document.body.clientHeight).click(closePopup).appendTo('body');
	iframeBack = $('<iframe id="iframeBack"></iframe>');
	iframeBack.height(document.body.clientHeight).appendTo('body');
	currentOffset2 = 0;
	currentOffset = document.documentElement.scrollTop || document.documentElement.scrollTop;
	var windowHeight;
	windowHeight = document.documentElement.clientHeight;
	if (windowHeight < $('#'+popup).height()) {
		currentOffset = (currentOffset + 10);
	} else {
		currentOffset2 = parseInt((windowHeight - $('#'+popup).height()) / 2);
	}
	pLeft = (document.body.clientWidth - $('#'+popup).width()) / 2;
	$('#'+popup).css({top:currentOffset+currentOffset2,left:pLeft}).show();
}
function addBasket(id, name, cost) {
    var action = "/add_basket.php";
    $.post(
        action,
        {
            id:id,
            name:name,
            cost:cost
        },
    addBasketOk
    );
}

function addBasketOk(data){

     switch (data) {
         case ("1"):
            showPopup('addedToList');
            $('li.packageList em').html('<a href=/basket.php>Список покупок</a>').parent().parent().addClass('plf');
         break;

         default:
         break;
     }
}

function changeTab(tab) {
    var action = "/change_tab.php";
    $.post(
        action,
        {
            tab:tab
        },
        changeTabOk
    );
}

function changeTabOk(data) {
    //alert(data);
}


function closePopup() {
	$('#iframeBack').remove();
	$('#blackBack').remove();
	$('.popup').hide();
}