/* javascript/e-news.js 
 */ 

function validEmail(email){
	if (email.match(/^[A-Za-z0-9_\+-]+(\.[A-Za-z0-9_\+-]+)*@[A-Za-z0-9-]+(\.[A-Za-z0-9-]+)*\.([A-Za-z]{2,4})$/)){ 
	 return true; 
	}else{
	 return false;
	}
}

function signup(frm){
	if(frm.email.value==""){
		alert('Please enter your email address to subscribe.'+"\n");
		return false;
	}else if(validEmail(frm.email.value)==false){
		alert('An email address was entered, but it does not appear to be valid.'+"\n\n"+'Please re-enter your email address to subscribe'+"\n");
		return false;
	}else{
		return true;
	}
}

function addEnews(frm){ 
	if(frm.action.value=='Back to Menu'){
		return true;
	}else{
		if(frm.email.value==''){
			alert('Not all required information was entered. Please enter all required information.');
			return false;
		}else{
			return true;
		}
	}
} 

function saveEnews(frm){ 
	if(frm.action.value=='Back to Menu'){
		return true;
	}else if(frm.action.value!='Delete'&&frm.action.value!='Save'){
		return false;
	}else{
		if(frm.action.value=='Delete'){
			var res=confirm('Are you certain you want to delete this record? This cannot be undone.');
			if(!res){
				return false;
			}else{
				return true;
			}
		}else if(frm.action.value=='Save'){
			if(frm.email.value==''){
				alert('Not all required information was entered. Please enter all required information.');
				return false;
			}else{
				return true;
			}
		}
	}
}