function liv_flybar()
{
	
	var divsta = document.getElementById('divsta');
	var divabs = document.getElementById('divabs');
	var divbottom = document.getElementById('divbottom');
	var rolldivtd = document.getElementById('rolldivtd');
	rolldivtd.style.height = divabs.offsetHeight;
	if(document.body.scrollTop > divsta.offsetTop)
	{
		if( divabs.style.posTop + divabs.offsetHeight <= divbottom.offsetTop)
		{
			divabs.style.posTop=document.body.scrollTop;
		}
		else
		{
			divabs.style.posTop=divbottom.offsetTop-divabs.offsetHeight;
			setTimeout(function() {
				if( divabs.style.posTop + divabs.offsetHeight > divbottom.offsetTop)
				{
					divabs.style.posTop=divbottom.offsetTop-divabs.offsetHeight;
				}
			}, 1000); 
		}
	}
	else
		divabs.style.posTop=divsta.offsetTop;
}
window.onscroll = liv_flybar;
window.onload = liv_flybar;