jQuery.noConflict();

var timeout    = 100;
var closetimer = 0;
var ddmenuitem = 0;

function setRandomBgClass() {
  var bgClasses = new Array();
  bgClasses[0] = "photo1";
  bgClasses[1] = "photo2";
  bgClasses[2] = "photo3";
  bgClasses[3] = "photo4";
  bgClasses[4] = "photo5";
	
  var randomIndex = Math.random() * 5;
  randomIndex = Math.floor(randomIndex);
  var divElement = document.getElementById('cnt_photo');
  divElement.className = bgClasses[randomIndex];
}

function getY( oElement )
{
  var iReturnValue = 0;
  while( oElement != null ) {
    iReturnValue += oElement.offsetTop;
    oElement = oElement.offsetParent;
  }
  return iReturnValue;
}


function menu_open()
{
   menu_canceltimer();
   menu_close();
   ddmenuitem = jQuery(document).find('.dropDown').css('visibility', 'visible');
}

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

function menu_timer()
{  
    closetimer = window.setTimeout(menu_close, timeout);
}

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


document.onclick = menu_close;