$.fn.equalHeights = function(px) {
    
     var currentTallest = 0;
        $(this).each(function(i){
            if ($(this).height() > currentTallest) {
                currentTallest = $(this).height();
            }
        });
     $(this).each(function(){
        if ($.browser.msie && $.browser.version == 6.0) {
            $(this).css({
                'height': currentTallest
            });
        }
        $(this).css({
            'min-height': currentTallest
        });
    });
    return this;
};

$.fn.fix_right_height = function(sk){
    var currentTallest = $("#m_c_cont").height();
    var footer = $("#footer").height();
    var header = $("#header").height();
    var meniu = $("#main_meniu").height();
    $(this).css({
            'min-height': currentTallest-footer-header-meniu-52-sk
    });
}

$(window).bind("load", function() { 

    var footerHeight = 0,
    footerTop = 0,
    $footer = $("#footer");

    positionFooter();

    function positionFooter() {

        footerHeight = $footer.height();
        footerTop = ($(window).scrollTop()+$(window).height()-footerHeight)+"px";
        if ( ($("#main_block").height()+footerHeight) <= $(window).height()) {
            $footer.css({
                position: "absolute",
                top: footerTop,
                left: 0
            })
        } else {
            $footer.css({
                position: "static"
            })
        }
    }
});