function initPage()
{
	var inputs = document.getElementsByTagName("input");
	for (var i=0; i<inputs.length; i++)
	{
		if (inputs[i].type == "text" && (inputs[i].name == "email" || inputs[i].name == "search"))
		{
			var form = getAncestor(inputs[i], "form");
			if (form)
				form.onsubmit = handleSubmit;
			inputs[i].onfocus = function ()
			{
					if ((this.value == "Search here...") || (this.value == "1"))
						this.value = "";
					if ((this.value == "Example field text") || (this.value == "1"))
					this.value = "";
			}
			inputs[i].onblur = function ()
			{
					if (this.value == "" && this.name == "search") this.value = "Search here...";
					if (this.value == "" && this.name == "phone") this.value = "0141 555 5565";
					if (this.value == "" && this.name == "example") this.value = "Example field text";
			}
		}
	}
}

function handleSubmit()
{
	var re = new RegExp('^\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*$');
	var element = this.elements["email"];
	if (element)
	{
		if (element.value == "")
		{
			return true;
		}
		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", initPage, false);
}
else if (window.attachEvent){
	window.attachEvent("onload", initPage);
}