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 Welch")

					this.value = "";

			}

			inputs[i].onblur = function ()

			{

				if (this.value == "" && this.name == "search") this.value = "Search Welch";

			}

		}

	}

}



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);

}