document.getElementById('wtable').style.height = String(document.body.scrollHeight)+"px";	
	var newTop = 0;
	if (document.getElementById('old_bt').style.top == "2144px"){
		newTop = 2144 + parseInt(document.getElementById('new_bt').style.marginTop) + 1 ;		
	}else{
		newTop = parseInt(document.getElementById('old_bt').style.top) + 1 ;		
	}
	//alert("scollheight" + document.body.scrollHeight + " newTop" + newTop + " newheight" + (document.body.scrollHeight - newTop));
	document.getElementById('old_bt').style.height = String(document.body.scrollHeight - newTop)+"px";
	
	document.getElementById('wtable').style.height = String(document.body.scrollHeight)+"px";