// JavaScript Document

function control(number) {
	var state = $F('state_'+number);
	if ( state == 0 ) {
		show(number);
		$('state_'+number).value = 1;
	} else {
		hide(number);
		$('state_'+number).value = 0;
	}
}

function show(number) {
	var i = 1;
	switch ( number ) {
		case 1:
			if ( parseInt($('conteudo').style.height,10) < 550 ) {
				$('conteudo').style.height = '550px';
			}
			break;
		case 2:
			if ( parseInt($('conteudo').style.height,10) < 550 ) {
				$('conteudo').style.height = '550px';
			}
			break;
		case 3:
			if ( parseInt($('conteudo').style.height,10) < 750 ) {
				$('conteudo').style.height = '750px';
			}
			break;
		case 4:
			if ( parseInt($('conteudo').style.height,10) < 650 ) {
				$('conteudo').style.height = '650px';
			}
			break;
	}
	while ( $(i+'_'+number) ) {
		$(i+'_'+number).style.visibility = 'visible';
		i++;
	}
//	$('control_'+number).innerHTML = '[ver &#150;]';
}

function hide(number) {
	var i = 1;
	while ( $(i+'_'+number) ) {
		$(i+'_'+number).style.visibility = 'hidden';
		i++;
	}
//	$('control_'+number).innerHTML = '[ver +]';
	var exists = false;
	if ( $('1_1').style.visibility == 'visible' ) {
		$('conteudo').style.height = '550px';
		exists = true;
	}
	if ( $('1_2').style.visibility == 'visible' ) {
		$('conteudo').style.height = '550px';
		exists = true;
	}
	if ( $('1_4').style.visibility == 'visible' ) {
		$('conteudo').style.height = '650px';
		exists = true;
	}
	if ( $('1_3').style.visibility == 'visible' ) {
		$('conteudo').style.height = '750px';
		exists = true;
	}
	if ( !exists ) {
		$('conteudo').style.height = '350px';
	}
}