function calcMenuXPos(menuNumber)
{
	var winCenter;
	var minWidth = 920;
	
	if (navigator.appName.indexOf("Microsoft")!=-1) 
		winCenter = document.body.offsetWidth/2;
	else
		winCenter = window.innerWidth/2;

	//center of content for small window
	if( winCenter<(minWidth/2) )
		winCenter = (minWidth/2);
	else
	{		
		//correct scrollbar offset for Gecko and Opera dissapearing verical scrollbar behavior
		if(navigator.userAgent.indexOf("Gecko")!=-1 || navigator.userAgent.indexOf("Opera")!=-1)
		{
			if (document.body.scrollHeight <= document.body.clientHeight)
				winCenter+=10;
		}
	}


	switch (menuNumber)
	{
		case "0":
			return 84+winCenter;
			break;
		case "1":
			return -269+winCenter;
			break;
		case "2":
			return -93 + winCenter;
			break;
		case "3":
			return 256+winCenter;
			break;
	}
}


function calcMenuYPos() 
{

	var yPos;

	if (navigator.appName.indexOf("Microsoft")!=-1) 
	{
		yPos = 80;
	  
	}
	else
	{
		yPos = 72;
	}


	return yPos;

}