var fade_last_imgID  = 2;
var fade_last_topdiv = 1;
var fade_outID = 2;
var fade_inID  = 1;
var fade_img_count = 10;
var fade_next_imgID = Math.round( Math.random() * fade_img_count );


function set_new_fade_img( ID ) {
	var fade_next_img_space = Math.round( Math.random() * 5 );

	fade_next_imgID += fade_next_img_space;
	if( fade_next_imgID >= fade_img_count )
		fade_next_imgID = Math.round( Math.random() * fade_img_count );

	$("#faderpic" + fade_next_topdiv ).attr('src','/img/banner/formentera-casa-vender-' + fade_next_imgID + '.jpg');
	setTimeout( "fade();",3000);

}

function fadeOut( ID ) {
	$( '#faderpic' + ID ).fadeOut( 2000 );
	setTimeout( "set_new_fade_img(" + ID + ");", 2500 );
}

function fadeIn( ID ) {
	$( '#faderpic' + ID ).fadeIn(  2000 );
}


function fade() {

	fade_next_topdiv = ( fade_last_topdiv == 1 ) ? 2 : 1 ;

	$( '#topimg' + fade_last_topdiv ).css( "z-index:1" );
	$( '#topimg' + fade_next_topdiv ).css( "z-index:2" );

	fadeOut( fade_last_topdiv );
	setTimeout( "fadeIn( " + fade_next_topdiv + ");" , 200 );


    fade_next_topdiv = fade_last_topdiv;
	fade_last_topdiv = ( fade_last_topdiv == 1 ) ? 2:1;

	fade_outID = fade_inID++;
	if( fade_inID == fade_img_count )
		fade_inID = 1;
}

    $(document).ready(function(){

       $("#faderpic1" ).attr('src','/img/banner/formentera-casa-vender-' + Math.round( Math.random() * fade_img_count ) + '.jpg');
       $("#faderpic2" ).attr('src','/img/banner/formentera-casa-vender-' + Math.round( Math.random() * fade_img_count ) + '.jpg');

      setTimeout( "fade();" , 2500);
    });