var dd_auto_hide;var dd_auto_hide_delay=0.5;Event.observe(window,'load',function(){$$('.MainNav a.main_link').each(function(btn){var dd_menu=btn.up().id.replace(/Group_/,"DropDownMenu_");if($(dd_menu)){var top_pos=btn.up(1).positionedOffset().top;top_pos=top_pos+btn.up(1).getHeight();var left_pos=btn.up().positionedOffset().left;$(dd_menu).setStyle({top:top_pos+'px',left:left_pos+'px'});}
btn.observe("mouseover",function(){dd_auto_hide=clearTimeout(dd_auto_hide);$$('.drop_down_menu').invoke("hide");if($(dd_menu)){$(dd_menu).show();}});btn.observe("mouseout",function(){dd_auto_hide=setTimeout(function(){$$('.drop_down_menu').invoke("hide");},dd_auto_hide_delay*1000);});});$$('div.drop_down_menu').each(function(menu){menu.observe("mouseover",function(){dd_auto_hide=clearTimeout(dd_auto_hide);});menu.observe("mouseout",function(){dd_auto_hide=setTimeout(function(){$$('.drop_down_menu').invoke("hide");},dd_auto_hide_delay*1000);});});});