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

function validate_newsletter(elem){
  if(elem.email_input.value.length == 0){
    alert("Please enter an email address.");
    return false;
  }
  if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(elem.email_input.value))){
    alert("Please enter a valid email address.");
    return false;
  }
  return true;
}

function validate_message(elem){
  if(elem.name.value.length == 0){
    alert("Please enter your name.");
    return false;
  }
  if(elem.phone.value.length == 0){
    alert("Please enter your phone number.");
    return false;
  }
  if(elem.email_input.value.length == 0){
    alert("Please enter an email address.");
    return false;
  }
  if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(elem.email_input.value))){
    alert("Please enter a valid email address.");
    return false;
  }
  if(elem.comment.value.length == 0){
    alert("Please enter your comment.");
    return false;
  }
  return true;
}

function validate_raffle(elem){
  if(elem.name.value.length == 0){
    alert("Please enter your name.");
    return false;
  }
  if(elem.address.value.length == 0){
    alert("Please enter your adddress.");
    return false;
  }
  if(elem.city.value.length == 0){
    alert("Please enter your city.");
    return false;
  }
  if(elem.state.value.length == 0){
    alert("Please enter your state.");
    return false;
  }
  if(elem.zip.value.length == 0){
    alert("Please enter your ZIP.");
    return false;
  }
  if(elem.phone.value.length == 0){
    alert("Please enter your phone number.");
    return false;
  }
  if(elem.email.value.length == 0){
    alert("Please enter an email address.");
    return false;
  }
  if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(elem.email.value))){
    alert("Please enter a valid email address.");
    return false;
  }
  if(elem.comment.value.length == 0){
    alert("Please enter your comment.");
    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=600,height=500,scrollbars=yes');
return false;
}

function popup_large(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
	 newdocument = window.open(href, windowname, 'width=750,height=725,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;
}