function validateProviders(whichform) {
	if (!document.getElementById) return false;
	if (!document.getElementById('ProviderZipcode')) return false;
	if (!document.getElementById('ProviderRadius')) return false;
	var zip = document.getElementById('ProviderZipcode');
	var radius = document.getElementById('ProviderRadius');
	
	if ((zip.value == "enter zip code") || (zip.value.length != "5")) {
		alert("Please input your zip code and desired radius to find a supplier");
		return false
	}
	
	if (radius.value == "") {
		alert("Please input your zip code and desired radius to find a supplier");
		return false
	}
	
	return true;
}

function prepareForm() {
	var find = document.getElementById('find');
	if (!find) {
		return;
	} else {
	find.onsubmit = function() {
		return validateProviders(this);
		}
	}
}

addLoadEvent(prepareForm);