window.addEvent('domready', function(){

/* NAVIGATION */
    var  nav_el = $$('.top');

    nav_el.addEvent('mouseover', function(e){
        if( this.getElement('ul') ){
            this.getElement('ul').setStyle('display', 'block');
        }
    })

    nav_el.addEvent('mouseout', function(e){
        if( this.getElement('ul') ){
            this.getElement('ul').setStyle('display', 'none');
        }
    })



  var  bodyElement = $(document.body);
  setEm();
  window.addEvent('resize', function(){
        setEm();
    } )

  function setEm(){
    var aktHeight   = document.documentElement.clientHeight;
    var aktWidth    = document.documentElement.clientWidth;
    var vHW         = aktWidth/aktHeight

    if( vHW < 1.875){
        var newEm = (16/1500) * aktWidth;
    } else {
        var newEm = (16/800) * aktHeight;
    }
    //var newEm = (16/800) * aktHeight;

    bodyElement.setStyle('font-size', newEm);
  }

/* 1280 x 768*/
})