function checkEmail() {
	var validity = true; // assume valid :)
	
	if(document.email_recover.email.value.match(/\w+@[\w\-]+\.\w+\.?w*/)== null) {
		validity = false;
	}else{
		validity = true;
	}
	return validity;
}

function validateEmail() {
	
	var validitycheck = true; // assume valid
	
	if(checkEmail() == false){ validitycheck = false; }
	
	if(validitycheck == true){
		document.email_recover.eBtn.disabled=false;
	}else{
		document.email_recover.eBtn.disabled=true;
	}
	return validitycheck;
}