jQuery(document).ready(function() {
	
/* animate back to top */
  jQuery('a.btt').click(function(){
         jQuery('html, body').animate({scrollTop: '0px'}, 'slow', 'swing');
         return false;
    });  
/* color entries */
	jQuery('div.overview').mouseover(function(){
		jQuery(this).css("background","#eeeeee");
  });
  	jQuery("div.overview").mouseout(function(){
		jQuery(this).css("background","transparent");
	});  
        
});

/* main menu */

var timeout    = 800;
var closetimer = 0;
var ddmenuitem = 0;

function jsddm_open()
{  jsddm_canceltimer();
   jsddm_close();
   ddmenuitem = jQuery(this).find('ul').css('visibility', 'visible');}

function jsddm_close()
{  if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}

function jsddm_timer()
{  closetimer = window.setTimeout(jsddm_close, timeout);}

function jsddm_canceltimer()
{  if(closetimer)
   {  window.clearTimeout(closetimer);
      closetimer = null;}}

jQuery(document).ready(function()
{  jQuery('#jsddm > li').bind('mouseover', jsddm_open)
   jQuery('#jsddm > li').bind('mouseout',  jsddm_timer)});

document.onclick = jsddm_close;