function calculateWidth()
{
	var doc=window.document;
	var ele=doc.getElementById("ciHead");
	if(ele)
	{
		if(doc.body.scrollHeight>doc.body.clientHeight)
		{
			ele.style.width="100%";
		}
		else
		{
			ele.style.width=doc.body.clientWidth;
		}
	}
	var ele=doc.getElementById("ciBody");
	if(ele)
	{
		if(doc.body.scrollHeight>doc.body.clientHeight)
		{
			ele.style.width="100%";
		}
		else
		{
			ele.style.width=doc.body.clientWidth;
		}
	}
}
if(ie4)
	window.onresize=calculateWidth;