function switchPopularTab(i) {
    var emailedTab = document.getElementById("most_pop_tab");
    var comTab = document.getElementById("most_com_tab");
    var emailedList = document.getElementById("mostPopular");
    var comList = document.getElementById("mostCommented");

    if(i=="mostCommented") {
        emailedList.style.display="none";
		comList.style.display="block";
		comTab.style.background = "transparent url(/images/modules/commented_bg_t_sel.gif) 0 0 no-repeat";
		emailedTab.style.background = "transparent url(/images/modules/popular_bg_t_un.gif) 0 0 no-repeat";
    }
    else if(i=="mostPopular") {
        comList.style.display="none";
        emailedList.style.display="block";
		emailedTab.style.background = "transparent url(/images/modules/popular_bg_t_sel.gif) 0 0 no-repeat";
		comTab.style.background = "transparent url(/images/modules/commented_bg_t_un.gif) 0 0 no-repeat";
    }
    else {
        comList.style.display="none";
        emailedList.style.display="block";
		emailedTab.style.background = "transparent url(/images/modules/popular_bg_t_sel.gif) 0 0 no-repeat";
		comTab.style.background = "transparent url(/images/modules/commented_bg_t_un.gif) 0 0 no-repeat";
    }
}