var newsImages = {}
 var newsAlignments = {}

// change selected tab, summary and image
function selectNewsTab(tab) {
    $("#news_tabs li.selected").removeClass("selected");
    $(tab).addClass("selected");
    var newsID = "#news_text_" + $(tab).attr("id").substr($(tab).attr("id").length - 1);
    $("div[id ^= news_text]:not(#news_text)").css("display", "none");
    $(newsID).css("display", "block");
    $(newsID).addClass("selected");
    $("#news_flipper").css({ "background-image": "url(" + newsImages[newsID.substr(1)] + ")" });
    $("#news_text").removeClass();

    switch (newsAlignments[newsID.substr(1)])
    {
        case "LS": $("#news_text").addClass("news_left"); break;
        case "LW": $("#news_text").addClass("news_left_big"); break;
        case "RW": $("#news_text").addClass("news_right_big"); break;
        default: $("#news_text").addClass("news_right"); break;
    }
    
}

// hide non-visible tabs and find background images
function prepareNewsTabs() {

    // add click handler
    $("#news_tabs li[id ^= news_tab]").click(function() {
        selectNewsTab($(this));
    });
    
    // get image array
    $("div[id ^= news_text]:not(#news_text)").each(function() {
        var id = $(this).attr("id");
        newsImages[id] = "images/" + $(this).attr("class").substr(2) + ".jpg";        
        newsAlignments[id] = $(this).attr("class").substring(0,2);
    });
    
    // remove hyperlinks
    $("li[id ^= news_tab_] A").each(function () {
        var tabTitle = $(this).text();
        var parentP = $(this).parent();
        $(this).remove();
        $(parentP).text(tabTitle);
    });
}

// add to document.ready
$(function() {
    prepareNewsTabs();
});