function isIE(){
	var browser=navigator.appName;
	var b_version=navigator.appVersion;
	var version=parseFloat(b_version);
	if (browser=="Microsoft Internet Explorer"){
		return true;
	}else{
		return false;
	}
}

$(document).ready(function () {
	var ie = isIE();

	$('#t_img').css('width',diametr+'px');
	$('#t_img').css('height',diametr/2+80+'px');
	$('#t_img').css('top','0px');
	$('#t_img').css('left',wwidth/2-diametr/2-offset+'px');
	$('#t_img_area').css('z-index','10');

	//$('#menu_div').css('z-index','11');
	//$('#menu_div').css('position','absolute');
	if (ie) {
		$('ul.the_menu').slideDown('slow');
	} else {
		$('#t_img_area').mouseover(function () {
			$('ul.the_menu').slideDown('slow');
		});
		$('#t_img').mouseout(function () {
			$('ul.the_menu').slideUp('slow');
		});

	}
  //  $('#t_img_area').mouseover(function () {
//	$('ul.the_menu').slideDown('slow');
  //  });


//    $('#t_img_area').mouseout(function () {
//	$('ul.the_menu').slideUp('slow');
  //  });
});

function preventSelection(element){
  var preventSelection = false;

  function addHandler(element, event, handler){
    if (element.attachEvent) 
      element.attachEvent('on' + event, handler);
    else 
      if (element.addEventListener) 
        element.addEventListener(event, handler, false);
  }
  function removeSelection(){
    if (window.getSelection) { window.getSelection().removeAllRanges(); }
    else if (document.selection && document.selection.clear)
      document.selection.clear();
  }
  function killCtrlA(event){
    var event = event || window.event;
    var sender = event.target || event.srcElement;

    if (sender.tagName.match(/INPUT|TEXTAREA/i))
      return;

    var key = event.keyCode || event.which;
    if (event.ctrlKey && key == 'A'.charCodeAt(0))  // 'A'.charCodeAt(0) можно заменить на 65
    {
      removeSelection();

      if (event.preventDefault) 
        event.preventDefault();
      else
        event.returnValue = false;
    }
  }

  addHandler(element, 'mousemove', function(){
    if(preventSelection)
      removeSelection();
  });
  addHandler(element, 'mousedown', function(event){
    var event = event || window.event;
    var sender = event.target || event.srcElement;
    preventSelection = !sender.tagName.match(/INPUT|TEXTAREA/i);
  });


//  addHandler(element, 'mouseup', function(){
//    if (preventSelection)
 //     removeSelection();
 //   preventSelection = false;
 // });


 // addHandler(element, 'keydown', killCtrlA);
//  addHandler(element, 'keyup', killCtrlA);
}

function waitplease(){
	$('ul.the_menu').slideUp('fast');
	$('#loader').css('visibility','visible');
}

function waitpleaseOff(){
	$('#loader').css('visibility','hidden');
}

function screenSizeX() {
	var w; 
	w = (window.innerWidth ? window.innerWidth : (document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body.offsetWidth));
	return w;
	}
function screenSizeY() {
	var h; 
	h = (window.innerHeight ? window.innerHeight : (document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.offsetHeight));
	return h;
	}
	
	
	var wwidth=screenSizeX();
	var wheight=screenSizeY();

	var diametr = 496;
	var offset = 2;
	var flashwidth = '100%';
	var flashheight = '666';

	var videowidth = 640;
	var videoheight = 360;
	if (wheight<800) offset = 15;	

	var videooffset = offset - 7;
	var videox = wwidth/2 - videowidth/2 - videooffset;
	var videoclosex = wwidth/2 + videowidth/2 - videooffset - 20;
	preventSelection(document);