function checklength(Object, max)
			{
				var testo;
				testo = Object.value.length;
				if (testo >= max)
					{
						alert('Testo troppo lungo');
						return (Object.value.length <= max);
					}
			}

	function show_hide(tag_id) 
		{
			if (document.getElementById(tag_id).style.display == "block")
				{
					document.getElementById(tag_id).style.display = "none";
				}
			else
				{
					document.getElementById(tag_id).style.display = "block";
				}
		}
		
		function enwrap_sel(my_id,tag_name)
			{
				edit_elem = document.getElementById(my_id);
				
				var my_agent = navigator.userAgent.toLowerCase();
				if(my_agent.indexOf("msie")>0)
				{
					edit_elem.focus();
					var range = document.selection.createRange();
					if(range.text.length)
						range.text = "[" + tag_name + "]" + range.text + "[/" + tag_name + "]";
				}
					else
				{
				
					iniz = edit_elem.selectionStart;
					fine = edit_elem.selectionEnd;
					
					if( iniz < fine )
						{
							var old_text = edit_elem.value;
							var new_text = old_text.substring(0,iniz) + "[" + tag_name + "]" + old_text.substring(iniz,fine) + "[/" + tag_name + "]" + old_text.substring(fine);
							edit_elem.value = new_text;
							//alert(new_text);
						}
				}
			}
		
		function copy_quoted(src_id,dest_id)
			{
				src_elem = document.getElementById(src_id);
				dest_elem = document.getElementById(dest_id);
				
				dest_elem.value = "[quote]" + src_elem.value + "[/quote]\r\r"
			}