$(document).ready(function() {
	var nonblanks_crowland=['name_crowland','email_crowland','message_crowland','captcha_crowland'];
	$('#contact-form_crowland').submit(function(){
		var errors=0;
		var focusid='';
		for (var i=0;i<nonblanks_crowland.length;i++) {
			var id=nonblanks_crowland[i];
			var field=$('#'+id);
			if (field.val()=='') {
				markfield(field);
				errors++;
				if (focusid=='') {
					focusid=id;
				}
			}
		}
		if (errors>0) {
			alert('There appear to be errors - please check the highlighted areas');
			if (focusid) $('#'+focusid).focus();
			return false;
		}
	});
	for (var i=0;i<nonblanks_crowland.length;i++) {
		var id=nonblanks_crowland[i];
		var field=$('#'+id);
		field.blur(function(){
			if ($(this).val()=='') {
				markfield($(this));
			}
			else {
				unmarkfield($(this));
			}
		});
	};

	function markfield(field) {
		console.log('marking field:');
		//console.log(field);
		var parent=field.parent();
		parent.addClass('error');
		parent.siblings('.error-indicator').addClass('error');
		field.change(function(){
			if ($(this).val()!='') {
				unmarkfield($(this));
			}
		});
	}
	function unmarkfield(field) {
		var parent=field.parent();
		parent.removeClass('error');
		parent.siblings('.error-indicator').removeClass('error');
		field.change(function(){
			if ($(this).val()=='') {
				markfield($(this));
			}
		});
	}
});