function troca(num, op){
		if(op == 'on'){
			eval("document.rollover" + num + ".src = 'http://imperiodeepona.ig.com.br/imagens/bot_on_' + num + '.gif'");
		}
		if(op == 'off'){
			eval("document.rollover" + num + ".src = 'http://imperiodeepona.ig.com.br/imagens/bot_off_' + num + '.gif'");
		}
	}
	
	menu ='<a href="conheca_jogo.html" onmouseover="troca(1, \'on\');" onmouseout="troca(1, \'off\');"><img src="http://imperiodeepona.ig.com.br/imagens/bot_off_1.gif" name="rollover1" border="0"></a>';
	menu+='<a href="como_jogar.html" onmouseover="troca(2, \'on\');" onmouseout="troca(2, \'off\');"><img src="http://imperiodeepona.ig.com.br/imagens/bot_off_2.gif" name="rollover2" border="0"></a>';
	menu+='<a href="especiais.html" onmouseover="troca(3, \'on\');" onmouseout="troca(3, \'off\');"><img src="http://imperiodeepona.ig.com.br/imagens/bot_off_3.gif" name="rollover3" border="0"></a>';
	menu+='<a href="ranking.php" onmouseover="troca(4, \'on\');" onmouseout="troca(4, \'off\');"><img src="http://imperiodeepona.ig.com.br/imagens/bot_off_4.gif" name="rollover4" border="0"></a>';
	menu+='<a href="forum.html" onmouseover="troca(5, \'on\');" onmouseout="troca(5, \'off\');"><img src="http://imperiodeepona.ig.com.br/imagens/bot_off_5.gif" name="rollover5" border="0"></a>';
	menu+='<a href="fale_conosco.php" onmouseover="troca(6, \'on\');" onmouseout="troca(6, \'off\');"><img src="http://imperiodeepona.ig.com.br/imagens/bot_off_6.gif" name="rollover6" border="0"></a>';
	document.write(menu);