var nlsInputs = new Array();

// *** TODO: the line just below is not the most self-adapting. It requires that this form 
// 	be the last one on the page. this line could stand some improvement.
nlsInputs = document.forms[document.getElementsByTagName("form").length - 1].getElementsByTagName("input")

function eraseEmailInput() {
	// clear text input box
	nlsInputs[0].value = "";
	// disarm onclick handler to save unnecessary processing
	nlsInputs[0].onclick = null;	
}

// set to launch function onclick
nlsInputs[0].onclick = new Function("eraseEmailInput()");