/* basic.js */
// calendar
$(document).ready(function() {
    $('input.cal').calendar();
});

function show(id) {
	if(document.getElementById){
		document.getElementById("map"+id).style.visibility = "visible";
	}else{
		if (ns4) document.layers["map"+id].visibility = "show"
		else document.all["map"+id].style.visibility = "visible"
	}
}
function hide(pos,maxpos) {
	var d;
	for (var i = 1; i <= maxpos; i++) {
		//alert(""+i+"-"+pos);
		if(document.getElementById){
			d = document.getElementById("map"+i);
			if(d) {
				d.style.visibility = "hidden";
			}
		}else{
			if (ns4) document.layers["map"+i].visibility = "hide"
			else document.all["map"+i].style.visibility = "hidden"
		}
	}
}

// toggle the stylesheets
function toggleFontsize() {
	var curr = getActiveStyleSheet();
	if (curr==null || curr=="default") 
		setActiveStyleSheet("text-plus");
	else
		setActiveStyleSheet("default");
}

// **** http://alistapart.com/stories/alternate/
function setActiveStyleSheet(title) {
	var title = title;
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
			a.disabled = true;
		if(a.getAttribute("title") == title) a.disabled = false;
		}
	}
	// alert(title);
}


function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

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 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;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

// tip
function tip(gid){
	window.open( gid,'toptip','width=620,height=450,toolbar=no,status=no,menubar=no,scrollbars=no,resizable=yes');
}