function toggleAddress(){
	if(document.forms['register'].elements['brochure'].checked){
		document.getElementById('address_row').style.display = 'block';
	}
	else{
		document.getElementById('address_row').style.display='none';
		document.forms['register'].elements['postal_address'].value = '';
	}
}


function validateElement(elementName, elementLabel){
	if (eval('document.register.' + elementName + '.value') == "" || eval('document.register.' + elementName + '.value') == elementLabel){
		alert('You must enter ' + elementLabel)
		eval('document.register.' + elementName + '.focus()');
		checkResult = 'error';
	}else{
		checkResult = 'ok';
	}
}



function validateRegister(){

	//debugger;

	validateElement('myname', 'a Name');
	if (checkResult == 'error'){
		return false
	}
	
	validateElement('myemail', 'an E-mail Address');
	if (checkResult == 'error'){
		return false
	}
	
	if(document.forms['register'].elements['brochure'].checked){
		if(document.forms['register'].elements['postal_address'].value == ''){
			alert('You must provide a postal address in order to recieve a brochure.');
			return false;
		}
	}

	document.forms['register'].submit();

}