var Cookie = {
  set: function(name, value, daysToExpire) {
    var expire = '';
    if (daysToExpire != undefined) {
      var d = new Date();
      d.setTime(d.getTime() + (86400000 * parseFloat(daysToExpire)));
      expire = '; expires=' + d.toGMTString();
    }
    return (document.cookie = escape(name) + '=' + escape(value || '') + expire);
  },
  get: function(name) {
    var cookie = document.cookie.match(new RegExp('(^|;)\\s*' + escape(name) + '=([^;\\s]*)'));
    return (cookie ? unescape(cookie[2]) : null);
  },
  erase: function(name) {
    var cookie = Cookie.get(name) || true;
    Cookie.set(name, '', -1);
    return cookie;
  },
  accept: function() {
    if (typeof navigator.cookieEnabled == 'boolean') {
      return navigator.cookieEnabled;
    }
    Cookie.set('_test', '1');
    return (Cookie.erase('_test') === '1');
  }
};

function toggle_image(obj,source,source2) {
  var src=$(obj).src;
  if (src.indexOf(source) > 0) {
    $(obj).src = source2;
  } else {
    $(obj).src = source;
  }
}

function base_onmousemove(event) { try { page_onmousemove(event); } catch(e) {} }
function base_onmouseup(event) { try { page_onmouseup(event); } catch(e) {}  }

var page_view_log_id;
function base_onload() { 
  try { page_onload(); } catch(e) {}
  page_view_log_id=Cookie.get('page_view_log_id');
}
function base_onunload() {
  // Prototype calls in the unload cause JS errors because it is cleaning itself up at the time
  var url='/log/pageclose/'+page_view_log_id;
	var req = false;
  if(window.XMLHttpRequest) {
    try { req = new XMLHttpRequest(); } catch(e) { req = false;}
  } else if(window.ActiveXObject) {
    try {
      req = new ActiveXObject("Msxml2.XMLHTTP");
    } catch(e) {
      try { req = new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) { req = false; }
    }
  }
  if(req) {
    req.open("GET", url, true);
    req.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
    req.setRequestHeader("X_REQUESTED_WITH","XMLHttpRequest");
    req.send("");
  }
}
function introspection(obj) {
  for (prop in obj) 
      property_list += prop + "\n";
  alert(property_list);
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// Clear default text in an input field
function clickclear(thisfield, defaulttext) {
  thisfield.style.color='Black';
  if (thisfield.value == defaulttext) {
    thisfield.value = "";
  }
}

function clickrecall(thisfield, defaulttext) {
  if (thisfield.value == "") {
    thisfield.value = defaulttext;
    thisfield.style.color='#B5B4B2';
  }
}

function update_rank (content_id,rank, refresh) {
  new_rank=prompt("Enter new Rank",rank);
  if (new_rank!= null && new_rank!=rank) {
    new Ajax.Request('/synapse/update_rank/'+content_id+'?rank='+new_rank, {asynchronous:false, evalScripts:true})
    if (refresh)
      window.location.replace(unescape(window.location.href));
    return true;
  }
  return false;
}

function bookmarkpage(loc) {
  try { // IE
    window.external.AddFavorite(self.location.href,document.title);
  } catch (e) { // Mozilla
   alert("Press Ctrl-D to Bookmark");
  }
  new Ajax.Request('/log/log/bookmark?src='+loc, {asynchronous:true, evalScripts:true});
  return false;
}

function misclog(misc,src,async,ret) {
  new Ajax.Request('/log/log/'+misc+'?src='+src, {asynchronous:async, evalScripts:true});
  return ret;
}