function initInputs()
{
	var inputs = document.getElementsByTagName("input");
	for (var i=0; i<inputs.length; i++)
	{
		if (inputs[i].type == "text" && (inputs[i].name == "search"))
		{
			var form = getAncestor(inputs[i], "form");
			inputs[i].onfocus = function ()
			{
				if (this.value == "search our site")
					this.value = "";
			}
			inputs[i].onblur = function ()
			{
				if (this.value == "" && this.name == "search") this.value = "search our site";
			}
		}
	}
}

function handleSubmit()
{
	var re = new RegExp('^\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*$');
	var element = this.elements["email"];
	if (element)
	{
		if (element.value == "")
		{
			alert("Email address is empty!");
			return false;
		}
		else
			return element.value.match(re)
				|| (alert("You have entered incorrect email address!"), false);
	}
	return true;
}

function getAncestor(element, tagName)
{
	var node = element;
	while (node.parentNode && (!node.tagName ||
			(node.tagName.toUpperCase() != tagName.toUpperCase())))
		node = node.parentNode;
	return node;
}

if (window.addEventListener)
{
	window.addEventListener("load", initInputs, false);
}
else if (window.attachEvent){
	window.attachEvent("onload", initInputs);
}

function detectSafari(){
if (navigator.appVersion.indexOf("Safari") != -1)
   document.body.className += " safari";
}

if (window.addEventListener)
   window.addEventListener("load", detectSafari, false);
   
function initTabs()
{
	var sets = document.getElementsByTagName("div");
	for (var i = 0; i < sets.length; i++)
	{
		if (sets[i].className.indexOf("tabset") != -1)
		{
			var tabs = [];
			var links = sets[i].getElementsByTagName("a");
			for (var j = 0; j < links.length; j++)
			{
				if (links[j].className.indexOf("tab") != -1)
				{
					tabs.push(links[j]);
					links[j].tabs = tabs;
					var c = document.getElementById(links[j].href.substr(links[j].href.indexOf("#") + 1));

					//reset all tabs on start
					if (c) if (links[j].className.indexOf("active") != -1) c.style.display = "block";
					else c.style.display = "none";

					links[j].onclick = function ()
					{
						var c = document.getElementById(this.href.substr(this.href.indexOf("#") + 1));
						if (c)
						{
							//reset all tabs before change
							for (var i = 0; i < this.tabs.length; i++)
							{
								document.getElementById(this.tabs[i].href.substr(this.tabs[i].href.indexOf("#") + 1)).style.display = "none";
								this.tabs[i].className = this.tabs[i].className.replace("active", "");
							}
							this.className += " active";
							c.style.display = "block";
							return false;
						}
					}
				}
			}
		}
	}
}

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