function popDirList(){
		dirlist=window.open("./show_gallery.php","dirlist","scrollbars=yes,toolbar=no,noresize,menubar=no,status=yes,width=500,height=400");
	}
	function popDirListMini(){
		dirlist=window.open("./show_gallery_mini.php","dirlist","scrollbars=yes,toolbar=no,noresize,menubar=no,status=yes,width=500,height=400");
	}
	function popImg(img, imgWidth, imgHeight){
		showedImg =window.open(img,"Immagine","scrollbars=yes,toolbar=no,noresize,menubar=no,status=yes,width="+imgWidth+",height="+imgHeight);
	}

	function espandiComprimi(btn, div){
		var divObj = document.getElementById(div);
		if(!divObj)
			return;
		if(divObj.style.display == undefined || divObj.style.display == 'none'){
			divObj.style.display = 'inline';
			btn.value = '-';
		}
		else{
			divObj.style.display = 'none';
			btn.value = '+';
		}
	}