function angpank(n)
 {
 for (i=1;i<=3;i++)
 {
        document.getElementById("v" + i).blur()
		document.getElementById("v" + i).className ="zi"
		document.getElementById("c" + i).className = "wu"
		}
	document.getElementById("v" + n).className = "qia"
	document.getElementById("c" + n).className = "mm"
}// JavaScript Document