isPopup = document.getElementById('popupcontent');// blank email if it contains user
if(isPopup){YAHOO.util.Event.addListener("back_link", "click", Venda.Widget.InvtPopups.featureHide);}

if(typeof document.emailmebackform.bisemail != 'undefined'){
	if ((document.emailmebackform.bisemail.value.substring(0,1)=='<') || (document.emailmebackform.bisemail.value.substring(0,4)=='user')) {
		document.emailmebackform.bisemail.value='';
	}
}

// treat this template like an external .js file
function validateEMWBIS() {
	// check email address
	if (document.emailmebackform.bisemail.value == '') {
		alert('Please enter your email address.');
		document.emailmebackform.bisemail.focus();
		return;
	}
	var checkEmail = document.emailmebackform.bisemail.value;
		if (!checkemail(checkEmail)) {
		alert("Please enter a valid email address.");
		document.emailmebackform.bisemail.focus();
		return;
	}

	
	
	if(isPopup){ 
		document.emailmebackform.layout.value = 'noheaders';
		ajaxFunction('http://www.emmabridgewater.co.uk/bin/venda','popupcontent','emailmebackform');
		}
	else { 
		document.emailmebackform.submit();
		}
}