//----------------------------------------------------------------------------------------
//Funzione per l'apertura di una popup
function openWindow(page,title){

	var w						=		640
	var h							=		480
	var centroH		=		Math.floor((screen.width-w)/2);
	var centroV		=		Math.floor((screen.height-h)/2);

	window.open( page,title,"width=" + w + ",height=" + h + 
	",statusbar=0,resizable=no,scrollbars=yes,toolbar=no,menubar=no"+
	",top=" + centroV + ",left=" + centroH );

}
//----------------------------------------------------------------------------------------
//Funzione per l'apertura del menu categorie
function viewhide_categorie(){
	if (document.getElementById('div_categorie').style.display=='block'){
		document.getElementById('div_categorie').style.display='none';
		document.getElementById('img_categorie').src='images/plus.gif';
	}else{
		document.getElementById('div_categorie').style.display='block';
		document.getElementById('img_categorie').src='images/minus.gif';
		document.getElementById('div_marche').style.display='none';
		document.getElementById('img_marche').src='images/plus.gif';
	}
}
//----------------------------------------------------------------------------------------
//Funzione per l'apertura del menu marche
function viewhide_marche(){
	if (document.getElementById('div_marche').style.display=='block'){
		document.getElementById('div_marche').style.display='none';
		document.getElementById('img_marche').src='images/plus.gif';
	}else{
	document.getElementById('div_marche').style.display='block';
	document.getElementById('img_marche').src='images/minus.gif';
	document.getElementById('div_categorie').style.display='none';
	document.getElementById('img_categorie').src='images/plus.gif';
	}
}
//----------------------------------------------------------------------------------------