var ax = 0;
var alphaArray;
function genSquare()
{
	var oCont = document.getElementById("cont");
	var strTbl = '', strCont = '';
	
	ax = Math.round(Math.random()*25);					
	alphaArray = new Array("A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z");

	for(var i = 99; i >= 0; i--)
	{
		a = Math.round(Math.random() * 25);
		
		if( i % 10 == 9) strCont += '<tr>\n';
		if( i % 9 == 0 && i < 89 ) a = ax;
		strCont += '<td class="num">' + i + '</td><td class="symbols">' + alphaArray[a] + '</td>\n';
		
		if( i % 10 == 0) strCont += '</tr>\n';
	}
	
	if( strCont.length > 0 )
	{
		strCont = '<tr><th colspan="20"><a href="javascript:void(0)" onclick="viewResult()" style="color:#014860">Answer</a></th></tr>' + strCont;
		strTbl = '<table align="center" border="0" cellspacing="5" cellpadding="1">\n' + strCont + '</table>\n';
	}
	oCont.innerHTML = strTbl;
}

function viewResult()
{
	var oCont = document.getElementById("cont");
	var strCont = '<tr><td style="color:#014860">Your letter is:</td><td class="viewsymbol">' + alphaArray[ax] + '</td></tr>';
	strCont += '<tr><th colspan="2" align="center"><a href="javascript:void(0)" onclick="genSquare()" style="color:#014860">Again</a></th></tr>';
	strTbl = '<table align="center" border="0" cellspacing="5" cellpadding="1">\n' + strCont + '</table>\n';
	oCont.innerHTML = strTbl;
}

window.onload = function() {genSquare();}