// Home Page

$(document).ready(function() {

	imageAdapt();

});

var nextz = 2;
var actimag = 1;

var openBox = function(id) {
	var boxtoopen = '#box'+id+'e';	
	var boxtoclose = '#box'+id+'c';	
	
	$(boxtoclose).slideUp(100,function(){
		$(boxtoopen).slideDown(300);
	});
	
}

var closeBox = function(id) {
	var boxtoopen = '#box'+id+'c';	
	var boxtoclose = '#box'+id+'e';	
	
	$(boxtoclose).slideUp(300,function(){
		$(boxtoopen).slideDown(100);
	});
	
}

var galleryShow = function(id,title,totalimag,nz) {
	var imagtoshow = '#imag'+id;	
	var galtosel = '#gal'+id+'s';	
	var galtoitem = '#gal'+id+'i';
	var z = nz+1;

	//alert(imagtoshow);
	//alert(galtosel);
	//alert(galtoitem)
	//alert(z)
	
	$(imagtoshow).hide();
	$(imagtoshow).css("z-index",z);
	$(imagtoshow).fadeIn('slow');
	$(galtosel).show();
	$(galtoitem).hide();
	$('#imageTitle').empty();
	$('#imageTitle').html(title);	
	listReset(id,totalimag);
	
	nextz = nextz+1;
	
	actimag = id;
	
	//alert(nextz);

}

var listReset = function(id,total) {
	
	for (i=1;i<=total;i++)
	{
		if (i != id) {
			var galsel = '#gal'+i+'s';
			var galitem = '#gal'+i+'i';
			$(galitem).show();
			$(galsel).hide();
		}
	}	
}

var imageAdapt = function() {

	//alert($(window).width());
	//alert($('#i1').width());
	//alert($('#i1').height());	

	var anchoDocumento = $(document).width();
	var altoDocumento = $(document).height();
	
	var anchoPantalla = $(window).width();
	var altoPantalla = $(window).height();

	var anchoImagen = $(window).width();
	var altoImagen = Math.round(($('#i1').height()*anchoImagen)/$('#i1').width());
	
	//alert(anchoImagen+' - '+altoImagen);
	
	if (altoDocumento > altoPantalla) {
	
		$('.imagfondo').css('width',anchoPantalla);
		$('.imagfondo').css('height',altoDocumento);	
		var correrMargen = (altoImagen-altoDocumento)/2;
	
	} else {
	
		$('.imagfondo').css('width',anchoPantalla);
		$('.imagfondo').css('height',altoPantalla);	
		var correrMargen = (altoImagen-altoPantalla)/2;
	
	}
	
	$('.im').css('width',anchoImagen);
	$('.im').css('height',altoImagen);
	
	//alert(correrMargen);
	
	$('.im').css('top','-'+correrMargen);
		
}