var trinity = [];
var pageScrollTimer;
var divHeight = 160;

function initPage()
{
	var footer = document.getElementById("footer");
	if (footer)
	{
		var divs = footer.getElementsByTagName("div");
		for (var i = 0; i < divs.length; i++)
		{
			if (divs[i].className == "login"
				|| divs[i].className == "register"
				|| divs[i].className == "download")
			{
				var a = divs[i].getElementsByTagName("a").item(0);
				trinity.push(a);

				a.className = a.className.replace("active", "");
				var c = document.getElementById(a.href.substr(a.href.indexOf("#") + 1));
				if (c)
					c.style.display = "none";

				a.onclick = function ()
				{
					/* onclick for anchor*/
					if (this.className.indexOf("active") != -1)
					{
						/* if active */
						var newLeft = 0;
						var newTop = getScrollTop() - divHeight;
						
						var handler = function ()
						{
							for (var i = 0; i < trinity.length; i++)
							{
								trinity[i].className = trinity[i].className.replace("active", "");
								var c = document.getElementById(trinity[i].href.substr(trinity[i].href.indexOf("#") + 1));
								if (c)
								{
									c.style.display = "none";
								}
							}	
						}
						
						pageScrollEx(newLeft,newTop,8,getScrollLeft(),getScrollTop(),null,handler);
					}
					else
					{
						/* if hidden */
						var newLeft = 0;
						var newTop = getScrollTop() + divHeight;
						
						var handler = function ()
						{
							for (var i = 0; i < trinity.length; i++)
							{
								trinity[i].className += " active";
								var c = document.getElementById(trinity[i].href.substr(trinity[i].href.indexOf("#") + 1));
								if (c)
									c.style.display = "block";
							}	
						}						
						pageScrollEx(newLeft,newTop,8,getScrollLeft(),getScrollTop(),handler,null);
					}
					return false;
				}
			}	
		}
	}
}

if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent)
	window.attachEvent("onload", initPage);