function toggleHowToBuy(){
//	alert('tested');
	var htb = document.getElementById("how_to_buy");
	if (htb){
		if (htb.style.display != "none"){
			htb.style.display = "none";
		} else {
			htb.style.display = "block";
		}
	}
}
function initZipField(){
//	$('#zip').select;
	/*	var field = document.getElementById("zip");
	if (field != null){
		if (field.value == "Zip Code"){
			field.value = "";
		}
	}*/
}

function submitHomeDepotZip(){
	var hdForm = document.getElementById("footer_form");
	if (hdForm && locateHomeDepot()) hdForm.submit();
}

function locateHomeDepot(){
	var field = document.getElementById("zip");
	var rv = false;
	if (field != null){
		var zip = field.value;
		var ziptest = new RegExp(/(^\d{5}$)|(^\d{5}-\d{4}$)/);
		if (!ziptest.test(zip)) {
			alert("The Zip Code entered is not valid. Please enter a valid zip code.");
		} else {
			rv = true;
		}
	}
	return rv;
}