function clearField(field) {
	if (field.value == field.defaultValue) {
		field.value = "";
		}
	}
	
	
function checkField(field) {
	if (field.value == "") {
		field.value = field.defaultValue;
		}
	}

	
function close_notes(id) 	{
	document.getElementById(id).style.display = (document.getElementById(id).style.display == "none") ? "block" : "none";
	}
	
	
function open_notes(id) {
	document.getElementById(id).style.display = (document.getElementById(id).style.display == "none") ? "block" : "none";
	}
	


	
function note_ico(id_p) {
	var urli = 'www/a_progression_notes.php?id_p=' + id_p;
	if (typeof XMLHttpRequest != "undefined") 
		ico = new XMLHttpRequest();
    else if (window.ActiveXObject) 
		ico = new ActiveXObject("Microsoft.XMLHTTP");
    ico.open("GET", urli, true);
    ico.onreadystatechange = pobierz_ikony;
    ico.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    ico.send(null);
	}

	
function pobierz_ikony() {
	   if (ico.readyState == 4)
			if (ico.status == 200)  {
    		var stringitems = ico.responseText;
		  
		    if (stringitems != '') {
		    	  var tabi = stringitems.split("#");
	    	for(var i=0; i < tabi.length; i++)
	    	  if(document.getElementById("progression_note_add_ico_" + tabi[i]))
				document.getElementById("progression_note_add_ico_" + tabi[i]).innerHTML = "<img src='images/progression/notes-active.gif' alt='Zobacz notatkę'>";
		  }
			}
		}

		
		
		
function unactive_icon(i) {
	document.getElementById("progression_note_add_ico_" + i).innerHTML = "<img src='images/progression/notes-inactive.gif' alt='Dodaj notatkę'>";
	}		
		
    
	
function save_notes(id, item, form, id_p) {
	var urls = 'www/a_progression_notes.php?id_p=' + id_p + '&item=' + item + '&note=' + form.progression_note_textarea.value;
	if (typeof XMLHttpRequest != "undefined") 
		reqs = new XMLHttpRequest();
    else if (window.ActiveXObject) 
		reqs = new ActiveXObject("Microsoft.XMLHTTP");
    reqs.open("GET", urls, true);
    reqs.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    reqs.send(null);
    note_ico(id_p);	
    close_notes(id); 
	}


function delete_notes(id, item, id_p) {
	var urld = 'www/a_progression_notes.php?id_p=' + id_p + '&item=' + item + '&action=delete';
	if (typeof XMLHttpRequest != "undefined") 
		reqd = new XMLHttpRequest();
    else if (window.ActiveXObject) 
		reqd = new ActiveXObject("Microsoft.XMLHTTP");
    reqd.open("GET", urld, true);
    reqd.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    reqd.send(null);
    unactive_icon(item);
    close_notes(id); 
	}	

	
function get_notes(id, item, id_p) {
	open_notes(id);
	document.getElementById("progression_note_textarea_div_" + item).innerHTML = "<textarea id=\"progression_note_textarea\" cols=10 rows=3></textarea>";
	var urlg = 'www/a_progression_notes.php?id_p=' + id_p + '&item=' + item;
	if (typeof XMLHttpRequest != "undefined") 
		req = new XMLHttpRequest();
    else if (window.ActiveXObject) 
		req = new ActiveXObject("Microsoft.XMLHTTP");
    req.open("GET", urlg, true);
    req.onreadystatechange = pobierz_notke;
    req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    req.send(null);
    note_ico(id_p);
	}

	
function pobierz_notke() {
	   if (req.readyState == 4)
			if (req.status == 200)  {
    		  var message = req.responseText;
    		    if (message != '') {
		      var tab = message.split("#");
			  if(message.length == 0) 
				document.getElementById("progression_note_textarea_div").innerHTML = "<textarea id=\"progression_note_textarea\" cols=10 rows=3></textarea>";
			  else 
				document.getElementById("progression_note_textarea_div_" + tab[3]).innerHTML = "<textarea id=\"progression_note_textarea\" cols=10 rows=3>" + tab[2] + "</textarea>";	
			}
	    }
		
		}