// JavaScript Document
function validate()
{
	valid=true;
	if(document.feedback.usermail.value=="") {alert("Please enter your Email Address.");
	document.feedback.usermail.focus();
	return(false);
	}
	
 if((document.feedback.usermail.value.indexOf("@")==-1)||(document.feedback.usermail.value.indexOf(".")==-1)||(document.feedback.usermail.value.indexOf("."))<(
																																document.feedback.usermail.value.indexOf("@"))||(document.feedback.usermail.value.indexOf("."))-(document.feedback.usermail.value.indexOf("@" ))== 1){alert("Email Address not entered correctly. Please try again.");
 document.feedback.usermail.focus();
 return(false);
 }
 
 if(document.feedback.howdidyou[0].selected==true){alert("How did you hear about Mourelatos Supermarkets? Please select.");
 document.feedback.howdidyou.focus();
 return(false);
 }
 if(document.feedback.informative[0].selected==true){alert("Was the site informative? Please select.");
 document.feedback.informative.focus();
 return(false);
 }
 if(document.feedback.navigation[0].selected==true){alert("How was the site's navigation? Please select.");
 document.feedback.navigation.focus();
 return(false);
 }
 return valid;
}