function showlx(sel)
{
		if(sel == 0)
		{
			document.getElementById("flight").style.display="block";
			document.getElementById("flight1").style.display="none";
			document.getElementById("hotel").style.display="none";
			document.getElementById("OnlinePay").style.display="none";
			cximg.src="images/BJ/sousuobj01.gif";
		}
		if(sel == 1)
		{
			document.getElementById("flight").style.display="none";
			document.getElementById("flight1").style.display="block";
			document.getElementById("hotel").style.display="none";
			document.getElementById("OnlinePay").style.display="none";
			cximg.src="images/BJ/sousuobj02.gif";
		}
	if(sel == 2)
		{
			document.getElementById("flight").style.display="none";
			document.getElementById("flight1").style.display="none";
			document.getElementById("hotel").style.display="block";
			document.getElementById("OnlinePay").style.display="none";
			cximg.src="images/BJ/sousuobj03.gif";
		}
	if(sel==3)
	{
		document.getElementById("flight").style.display="none";
		document.getElementById("flight1").style.display="none";
		document.getElementById("hotel").style.display="none";
		document.getElementById("OnlinePay").style.display="block";
		cximg.src="images/BJ/sousuobj04.gif";
	}
			
}