// JavaScript Document
function detectScroll()
{	frameTop=window.top;
	frameTop1=window.top;
	if (navigator.appName == "Microsoft Internet Explorer")
	{	var position = frameTop.document.body.scrollTop;	}
	else 
	{	var position = frameTop.window.pageYOffset;	}
	if (position>300)	frameTop1.document.getElementById('content_elasticHead').style.display = 'block';	
	else				frameTop1.document.getElementById('content_elasticHead').style.display = 'none';	
	return true;
}
setInterval("detectScroll()",1000);