jQuery(function() {
	
	// pngfix
	$('img[@src$=.png]').ifixpng();
	
	// examples
	$('#fname').example('First Name', {
		hide_label: true,
		class_name: 'input_example'
	});
	
	$('#lname').example('Last Name', {
		hide_label: true,
		class_name: 'input_example'
	});
	
	$('#email').example('Email Address', {
		hide_label: true,
		class_name: 'input_example'
	});
	
	// Check for empty fields
	$("form#signup").submit( function() {
		
		var emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;		
		
		if ($("input#fname").val() == '') {
			alert('Please enter your first name.');
		} else if ($("input#lname").val() == '') {
			alert('Please enter your last name.');
		} else if ($("input#email").val() == '') {
			alert('Please enter your email address.');
		} else if(!emailReg.test($("input#email").val())) {
			alert('Please enter a valid email address.');
		} else {
			return true;
		}
		
		$('#fname').example('First Name', {
			hide_label: true,
			class_name: 'input_example'
		});
		
		$('#lname').example('Last Name', {
			hide_label: true,
			class_name: 'input_example'
		});
		
		$('#email').example('Email Address', {
			hide_label: true,
			class_name: 'input_example'
		});
		return false;
	});
    	
});