function showBoca1(){
	var b1 = document.getElementById("tabBoca") || document.all("tabBoca");
	var b1c = document.getElementById("tabBoca1Content") || document.all(tabBoca1Content);
	var b2c = document.getElementById("tabBoca2Content") || document.all(tabBoca2Content); 
	b1c.style.display = "none";
	b2c.style.display = "block";
	return false;
}

function showBoca2(){
	var b1 = document.getElementById("tabBoca");
	var b1c = document.getElementById("tabBoca1Content");
	var b2c = document.getElementById("tabBoca2Content"); 
	b1c.style.display = "block";
	b2c.style.display = "none";
	return false;
}

function showMezc1(){
	var b1 = document.getElementById("tabMezc");
	var b1c = document.getElementById("tabMezc1Content");
	var b2c = document.getElementById("tabMezc2Content"); 
	b1c.style.display = "none";
	b2c.style.display = "block";
	return false;
}

function showMezc2(){
	var b1 = document.getElementById("tabMezc");
	var b1c = document.getElementById("tabMezc1Content");
	var b2c = document.getElementById("tabMezc2Content"); 
	b1c.style.display = "block";
	b2c.style.display = "none";
	return false;
}

function showBloc1(){
	var b1 = document.getElementById("tabBloc");
	var b1c = document.getElementById("tabBloc1Content");
	var b2c = document.getElementById("tabBloc2Content"); 
	b1c.style.display = "none";
	b2c.style.display = "block";
	return false;
}

function showBloc2(){
	var b1 = document.getElementById("tabBloc");
	var b1c = document.getElementById("tabBloc1Content");
	var b2c = document.getElementById("tabBloc2Content"); 
	b1c.style.display = "block";
	b2c.style.display = "none";
	return false;
}