var $webid = 'metaconstrutora';
var $lastBanner = 0;
var $dialogTitle = 'Meta Construções';
var $appSlogan = '';
var $frases = ["CREDIBILIDADE QUE SE CONSTR\u00d3I","AGILIDADE","BEM MAIS DO QUE REALIZAR PROJETOS, CONSTRU\u00cdMOS SONHOS"];
var $bannerTimeout = null;

$(function(){
	prepareBanners();
});

function prepareBanners(){
	var $pbg = $('#principal_pane_background');
	var $link = false;
	for( var $i = 1; $i <= $banners.length-1; $i++ ){
		var $bg = $pbg.append('<div id="banner' + $i + '" class="box-banner backgroundimage-cover"></div>').find('div:last');
		$bg.hide();
		if( typeof( $banners[$i] ) == 'string' && $.trim( $banners[$i] ) != '' ){
			$bg.addClass('link').click(function(){
				window.location.href = '?' + $banners[ $(this).attr('id').substr(6) ].replace('\|','&ref=');
			});
		}
	}
	changeBg();
}

function changeBg( $btNav ){
	
	if( $('#principal_pane_background').hasClass('custom-background') ){
		return;
	}
	
	if( $bannerTimeout != null ){
		clearTimeout( $bannerTimeout );
		$bannerTimeout = null;
	}
	
	var $numBanners = $('#principal_pane_background .box-banner').size();
	
	if( $numBanners == 0 ){
		$('body').css({'background-color':'#999'});
	}
	
	if( $.cookie( 'chilli_' + $webid + '_bannerSequence__galeria' ) == null ){
		var $oid = [];
		for( var $i = 0; $i < $numBanners; $i++ ){
			$oid[ $oid.length ] = $i;
		}
		for( var $j, $x, $i = $oid.length; $i; $j = parseInt( Math.random() * $i ), $x = $oid[--$i], $oid[$i] = $oid[$j], $oid[$j] = $x );
		$.cookie( 'chilli_' + $webid + '_bannerSequence__galeria', $oid );
	}

	var $ibg = $lastBanner,
		 $itens = $('.bgcolored .item-hover-colored'),
		 $fade = true;

	if( typeof( $btNav ) == 'object' ){
	
		var $prior = $btNav.hasClass('bt-left');
		$ibg += $prior ? - 1 : 1;
		if( $ibg < 1 || $ibg >= $('#principal_pane_background .box-banner').size() ){
			$ibg = $prior ? $('#principal_pane_background .box-banner').size()-1 : 1;
		}
	
	}else{

		if( $numBanners == 1 ){
	
			$ibg = 1;
	
		}else{
		
			if( $lastBanner == 0 ){
		
				$ibg = 1;
		
				if( $.cookie( 'chilli_' + $webid + '_bannerSelected__galeria' ) != null ){
					$ibg = parseInt( '0' + $.cookie( 'chilli_' + $webid + '_bannerSelected__galeria' ), 10 );
				}
				
				$fade = false;
				
			}
			
			if( $lastBanner != 0 ){
		
				$ibg++;
			
				if( $ibg > $numBanners ){
					$ibg = 1;
				}
			
			} else {
			
				$lastBanner = $ibg;
				
			}
			
		}

	}
	
	$ibg = $ibg <= 0 ? 1 : $ibg;
	
	$.cookie( 'chilli_' + $webid + '_bannerSelected__galeria', $ibg );

	var $idOut = 'banner' + $lastBanner;
	var $idIn = 'banner' + $ibg;
	
	$lastBanner = $ibg;
	
	var $options = {
		duration: typeof( $btNav ) == 'object' ? 500 : 1000
	};
	
	if( $numBanners == 1 ){
		$fade = false;
	}

	if( $fade ){
		$('#'+$idOut).fadeOut( $options );
	}else{
		$('#'+$idOut).hide();
	}

	var $timeout = 4000;

	if( $timeout > 0 ){
		$options = $.extend( $options, {
			complete:function(){
				if( $numBanners > 1 ){
					$bannerTimeout = setTimeout( function(){
						changeBg();
					}, $timeout );
				}
			}
		} );
	}
	
	if( $fade ){
		$('#'+$idIn).fadeIn( $options );
	}else{
		$('#'+$idIn).show( $.extend( $options, {duration:0} ) );
	}
	
	$itens.addClass( $idIn, $fade ? ( typeof( $btNav ) == 'object' ? 250 : 500 ) : 0 );
	if( $idIn != $idOut ){
		$itens.removeClass( $idOut, $fade ? ( typeof( $btNav ) == 'object' ? 250 : 500 ) : 0 );
	}
	
}