var total_caixaz = 4;

function caixaz_magicas(caixa) {
	//set caixas to default
	window.document.getElementById('caixa_1').style.display = 'none';
	window.document.getElementById('caixa_2').style.display = 'none';
	window.document.getElementById('caixa_3').style.display = 'none';
	window.document.getElementById('caixa_4').style.display = 'none';
	//set separadores to default
	window.document.getElementById('separador_1').src = 'fx/menu_ca/separador_off.png';
	window.document.getElementById('separador_2').src = 'fx/menu_ca/separador_off.png';
	window.document.getElementById('separador_3').src = 'fx/menu_ca/separador_off.png';
	window.document.getElementById('separador_4').src = 'fx/menu_ca/separador_final_off.png';
	//set separadores to default
	
	window.document.getElementById('tab_1').src = 'fx/menu_ca/tab_1_2.png';
	window.document.getElementById('tab_2').src = 'fx/menu_ca/tab_2_2.png';
	window.document.getElementById('tab_3').src = 'fx/menu_ca/tab_3_2.png';
	window.document.getElementById('tab_4').src = 'fx/menu_ca/tab_4_2.png';
	
	//change selected caixa
	window.document.getElementById('caixa_'+caixa+'').style.display = 'block';
	window.document.getElementById('tab_'+caixa+'').src = 'fx/menu_ca/tab_'+caixa+'_1.png';

	if(caixa=="1"){
		window.document.getElementById('separador_1').src = 'fx/menu_ca/separador_on.png';
	}
	if(caixa=="2"){
		window.document.getElementById('separador_2').src = 'fx/menu_ca/separador_on.png';
		window.document.getElementById('separador_1').src = 'fx/menu_ca/separador_offon.png';
	}
	if(caixa=="3"){
		window.document.getElementById('separador_3').src = 'fx/menu_ca/separador_on.png';
		window.document.getElementById('separador_2').src = 'fx/menu_ca/separador_offon.png';
	}
	if(caixa=="4"){
		window.document.getElementById('separador_4').src = 'fx/menu_ca/separador_final_on.png';
		window.document.getElementById('separador_3').src = 'fx/menu_ca/separador_offon.png';
	}

}