function checkemailformat(email)
{
	var error_email=false;
	if (email==""){
	var error_email=true;
	}
	else if(email.indexOf("@")==-1||email.indexOf(".")==-1||email.length<5){
	var error_email=true;
	}

return error_email;
}


function checkandsubmit()
{
	var error=false;
	var message="";
		
	if(checkemailformat(document.form.email.value))
		{
		var error=true;
		var message="The E-Mail Adress is not filled or incorrect, please correct this.";
		
	}
	if (error==true){
	alert(message);
	}
	else{
	document.form.submit();
	}	

}