function confirm_delete() {
  input_box=confirm("Delete: Are You Sure?");
  if (input_box==true) {
    return true;
  } else {
    return false;
  }
}
function confirm_delete_event(mylink) {
  input_box=confirm("Delete: Are You Sure?");
  if (input_box==true) {
    window.location = mylink;
  } else {
    return false;
  }
}

function validate_contact(elem){
  if(elem.email.value.length == 0){
    alert("Email Cannot Be Empty");
    return false;
  }
  if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(elem.email.value))){
    alert("Please Enter A Valid Email");
    return false;
  }
  return true;
}

function popup(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
window.open(href, windowname, 'width=500,height=500,scrollbars=yes');
return false;
}

function isalphanumeric(elem){
	var alphaExp = /^[0-9a-zA-Z]+$/;
	if(elem.user.value.match(alphaExp)){
	
	}else{
		alert("user can only contain number & letters");
		elem.focus();
		return false;
	}
	if(elem.pass.value.match(alphaExp)){
	
	}else{
		alert("pass can only contain number & letters");
		elem.focus();
		return false;
	}
	return true;
}

function validate_suggestion(elem){
  if(elem.name.value.length == 0){
    alert("'User Name' Cannot Be Empty");
    return false;
  }

  if(elem.event_name.value.length == 0){
    alert("'Event Name' Cannot Be Empty");
    return false;
  }

  if(elem.event_location.value.length == 0){
    alert("'Event Location' Cannot Be Empty");
    return false;
  }

  if(elem.event_dates.value.length == 0){
    alert("'Event Date(s)' Cannot Be Empty");
    return false;
  }

  if(elem.start_time.value.length == 0){
    alert("'Start Time' Cannot Be Empty");
    return false;
  }

  if(elem.end_time.value.length == 0){
    alert("'End Time' Cannot Be Empty");
    return false;
  }

  if(elem.contact_person.value.length == 0){
    alert("'Contact Person' Cannot Be Empty");
    return false;
  }

  if(elem.area_code.value.length == 0){
    alert("'Area Code' Cannot Be Empty");
    return false;
  }

  if(elem.phone_num.value.length == 0){
    alert("'Phone Number' Cannot Be Empty");
    return false;
  }

  if(elem.website.value.length == 0){
    alert("'Web Site' Cannot Be Empty");
    return false;
  }

  if(elem.type_of_event.value.length == 0){
    alert("'Type Of Event' Cannot Be Empty");
    return false;
  }

  return true;
}