function aleatori() {

	var $div = $("#random > img");

//	alert("div.length aleatori = " + $div.length);


	var start = Math.floor(Math.random() *	$div.length)+1;



	if(start == 0)
		start = 1;

//alert("aleatori = " + start);

		return start;

}



function aleatori_par() {

	var $div = $("#random_par > a > img");

//	alert("div.length par = " + $div.length);
	

	var start = Math.floor(Math.random() *	$div.length)+1;



	if(start == 0)

		start = 11;

	else		

		start = start + 10;

//alert("par = " + start);

	return start;
}



function aleatori_impar() {

	var $div = $("#random_impar > a > img");

//	alert("div.length impar = " + $div.length);
	

	var start = Math.floor(Math.random() *	$div.length)+1;



	if(start == 0)
		start = 21;

	else		
		start = start + 20;

//alert("impar = " + start);

	return start;

}



function avis() {

	$('#overlay').fadeIn('fast',function(){

		$('#box').animate({'top':'100px'},500);

	});

}



function tancar_avis(){

	$('#box').animate({'top':'-550px'},500,function(){

		$('#overlay').fadeOut('fast');

	});

}



/*$j(document).ready(function(){

	

});*/



$(document).ready(function(){

	var n_aleatori = aleatori();



	var n_par = aleatori_par();

	var n_impar = aleatori_impar();



	$("#"+n_aleatori).removeClass('ocult');

	

	$("#"+n_impar).removeClass('ocult');
	

	$("#"+n_par).removeClass('ocult');
		

//	alert($("#link_produc_par_"+n_impar).attr('href'));

	

	$("#boxclose").click(function(){

		tancar_avis();

	});

	

	$("#tancar").click(function(){

		tancar_avis();

	});

	

	

	

	/*********************/

	// this initialises the demo scollpanes on the page.

	$('#contingut_avis').jScrollPane();

	/*********************/

});