$(document).ready(function()
{
        //slides the element with class "menu_body" when paragraph with class "menu_head" is clicked 
        $("div.menu_head").click(function()
        {
            $(this).next("div.menu_body").slideToggle(300).siblings("div.menu_body").slideUp("slow");
            $(this).siblings();
        });
});

function PopupCenter(pageURL, title,w,h) {
var left = (screen.width/2)-(w/2);
var top = (screen.height/2)-(h/2);
var targetWin = window.open (pageURL, title, 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width='+w+', height='+h+', top='+top+', left='+left);
targetWin.focus();
}