var NN = 0;
var MM = 0;
function OkTime()
{
	NN = NN + 1;
	if(NN>4)NN = 0;
	ClickTd(NN);
}

function ClickTd(n)
{

	NN = n;
	var bkImage = new Array();
	var xTd = new Array();
	bkImage[0] = "url(images/2.jpg)";
	bkImage[1] = "url(images/5.jpg)";
	bkImage[2] = "url(images/4.jpg)";
	bkImage[3] = "url(images/3.jpg)";
	bkImage[4] = "url(images/1.jpg)";
	bkImage[5] = "";
	xTd[0] = "td0";
	xTd[1] = "td1";
	xTd[2] = "td2";
	xTd[3] = "td3";
	xTd[4] = "td4";
	xTd[5] = "";

	
	document.getElementById("tdx").style.backgroundImage = bkImage[n];
	document.getElementById(xTd[MM]).style.borderColor = "#FFFFFF";
	document.getElementById(xTd[NN]).style.borderColor = "#FF0000";
	document.getElementById(xTd[MM]).style.borderWidth = 0;
	document.getElementById(xTd[NN]).style.borderWidth = 2;
	document.getElementById(xTd[MM]).style.border = "solid 0px #FFFFFF";
	document.getElementById(xTd[NN]).style.border = "solid 2px #FF0000";
	MM = n;
}