// POPUPs

function photoPopup(id) {
  photoPop = window.open("/pages/image_popup.php?id=" + id,"photo_popup",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=800,height=600');
  photoPop.focus()
}


function checkNEmail(form) {
	if (isBlank(form.email.value) || isBlank(form.name.value) || !isEmailValid(form.email.value) ) 
	{
		alert("Please enter a valid Name and  Email Address .\nThe email or name you have typed in does not appear to be valid.");
		form.email.focus();
		return false;
	}
	}

function checkEmail(form) {
	if (isBlank(form.email.value) || !isEmailValid(form.email.value) ) {
		alert("Please enter a valid Email Address.\nThe email you have typed in does not appear to be valid.");
		form.email.focus();
		return false;
	}
return true;

}

function isBlank(fieldValue) {
	var blankSpaces = / /g;
	fieldValue = fieldValue.replace(blankSpaces, "");
	return (fieldValue == "") ? true : false;
}

function isEmailValid(fieldValue) {
	var emailFilter = /^.+@.+\..{2,4}$/;
	var atSignFound = 0;
	for (var i = 0; i <= fieldValue.length; i++)
		if ( fieldValue.charAt(i) == "@" )
			atSignFound++;
	if ( atSignFound > 1 )
		return false;
	else
		return ( emailFilter.test(fieldValue) && !doesEmailHaveInvalidChar(fieldValue) ) ? true : false;
}

function doesEmailHaveInvalidChar(fieldValue) {
	var illegalChars = /[\(\)\<\>\,\;\:\\\/\"\[\] ]/;
	return ( illegalChars.test(fieldValue) ) ? true : false;
}