// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults

function checkSignupBoxes(form) {
	var valid = true;
	var error = "Please correct the following problems in order to add your email address:\n";
	if ((!form.news.checked) && (!form.obits.checked)) {
		valid = false;
		error+= "\tNo updates selected\n";
	}
	if ((!echeck(form.email.value)) || (form.email.value == "your@email.com")) {
		valid = false;
		error+= "\tInvalid email address.";
	}

	if(valid) {
		form.submit();
	} else {
		alert(error);
	}
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
	}