<!--
function change_rand(){
num= (Math.round(Math.random()*3))
	if(num==0){pinacoteca.figura.src="_img/new/aa.jpg"}
		if(num==1){pinacoteca.figura.src="_img/new/bb.jpg"}
			if(num==2){pinacoteca.figura.src="_img/new/cc.jpg"}
				if(num==3){pinacoteca.figura.src="_img/new/dd.jpg"}
}
function parar(){
document.all['som'].stop
}
//-->