// JavaScript Document


function btn2(idtd){

	if (idtd == "cont4"){
		
		document.getElementById('cont4').style.display="block";
		document.getElementById('cont5').style.display="none";
		document.getElementById('cont6').style.display="none";
		
		document.getElementById('aba4').className="aba h"
		document.getElementById('aba5').className="aba n"
		document.getElementById('aba6').className="aba n";				
	
	}else if (idtd == "cont5"){

		document.getElementById('cont4').style.display="none";
		document.getElementById('cont5').style.display="block";
		document.getElementById('cont6').style.display="none";
		
		document.getElementById('aba4').className="aba n"
		document.getElementById('aba5').className="aba h"
		document.getElementById('aba6').className="aba n";				

	}else if (idtd == "cont6"){
			
		document.getElementById('cont4').style.display="none";
		document.getElementById('cont5').style.display="none";
		document.getElementById('cont6').style.display="block";
		
		document.getElementById('aba4').className="aba n"
		document.getElementById('aba5').className="aba n"
		document.getElementById('aba6').className="aba h";		
	
	}
}