function changeText(theButton,startText,endText){
   var curButton = Spry.$(theButton);
     if(curButton.value == startText)
	  {
	  curButton.value = endText;
	  }
	  else
	  {
	  curButton.value = startText;
	  }
}
function hideRows(){
	Spry.$$("#tabela_eventos tr:nth-child(n+6)").toggleClassName("hideIt");
	
	changeText("botaoeventos","Ver todos", "Fechar eventos");
}
Spry.Utils.addLoadListener(function(){
	hideRows();								
	Spry.$$("tr:nth-child(2n+2)").addClassName("linha_cinza");
	});