function idGui(movieName)
{
  return document.getElementById(movieName);
}

var OpcSel = 0;
function visOcu(a,obj, b){
	if(OpcSel != b){ obj.className = a; }		
}

function infOcu(CarOpc)
{
	var fGui1=idGui("mosopc"+CarOpc);
	var fGui2=idGui("opc"+CarOpc);
	
	if(fGui1.style.display == "block"){ /*fGui1.style.display="none";*/ }
	
	else
	{ for(i=1; i<=3; i++)
		{ var fGui1=idGui("mosopc"+i);
		  var fGui2=idGui("opc"+i);
		  if(i == CarOpc) 
		  	{ OpcSel = i; fGui1.style.display="block"; fGui2.className = "visOpc";} 
		  else{fGui1.style.display="none"; fGui2.className = "ocuOpc";}
		}
	}
}