function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function date() {
  var today = "";
  var currentTime = new Date();
  var month = currentTime.getMonth() + 1;
  var day = currentTime.getDate();
  var year = currentTime.getFullYear();

  var hours = currentTime.getHours();
  var minutes = currentTime.getMinutes();
  if (minutes < 10){
    minutes = "0" + minutes;
  }
  if(hours > 11){
    time = "PM";
  } else {
    time = "AM";
  }
  if (hours   > 12) { hours = hours - 12; }

  today = month+"/"+day+"/"+year;

  return today;
}

function save(type, id, title) {
  objArray = getData(type);

  var data = id+"|"+title+"|"+date()+"~";

  for(var i in objArray) {
    obj = objArray[i];
    if(obj[0] != id) {
      data += obj[0]+"|"+obj[1]+"|"+obj[2]+"~";
//alert("obj = "+obj[0]+"<=>"+obj[1]+"<=>"+obj[2]);
    }
  }
  createCookie(type, data, 30);
  if(document.getElementById("saved") ) {
    document.getElementById("saved").innerHTML = "<b>Saved</b>";
  }
}

function getData(type) {
  cookie = readCookie(type);
  var objArray = new Array();
  if(cookie) {
    row = cookie.split("~");
    row.reverse();
    for(var i in row) {
      col = row[i].split("|");
      if(col[0] != "") {
        var obj = new Array();
        obj[0] = col[0];
        obj[1] = col[1];
        obj[2] = col[2];
//alert("obj = "+obj[0]+"<=>"+obj[1]+"<=>"+obj[2]);
        objArray.push(obj);
      }
    }
  }
  return objArray;
}

function saveArray(type, objArray) {
  var data = "";
  objArray.reverse();
  for(var i in objArray) {
    obj = objArray[i];
    data += obj[0]+"|"+obj[1]+"|"+obj[2]+"~";
//alert("obj = "+obj[0]+"<=>"+obj[1]+"<=>"+obj[2]);
  }
  createCookie(type, data, 30);
}


function remove(type, field) {
  var objArray = getData(type);
  var newArray = new Array();
  for(i=0; i<objArray.length; i++) {
    obj = objArray[i];
    found = false;
    for(j=0; j<field.length; j++) {
      if(field[j].checked == true && field[j].value == obj[0]) {
        found = true;
      }
    }
    if(found == false) {
//alert("objArray length="+objArray.length+" obj = "+obj[0]+"<=>"+obj[1]+"<=>"+obj[2]);
      newArray.push(obj);
    }
  }
  saveArray(type, newArray);
}

function checkAll(field) {
  for(i=0; i<field.length; i++) {
    if(field[i].checked == true) {
      field[i].checked = false;
    } else {
      field[i].checked = true;
    }
  }
}