function wanglin(n)
 {
 for (i=1;i<=2;i++)
 {
        document.getElementById("s" + i).blur()
		document.getElementById("s" + i).className ="zi"
		document.getElementById("h" + i).className = "lno"
		}
	document.getElementById("s" + n).className = "lao"
	document.getElementById("h" + n).className = "lok"
}// JavaScript Document