function refreshImg()
{
	document.getElementById('theImage').src = 'includes/random_image.php?p=' + Math.random();
}

function remove_white_space(field)
{
     return (field.value).replace(/^\s*|\s*$/g,'');
}

function checkFields(button)
{
	button.disabled = true;
	var error = "";
	if (remove_white_space(document.getElementById('first_name')) == ""){
		error = " - Name\n";
	}
	
	if (remove_white_space(document.getElementById('Email')) == "")
	{
		error += " - Phone Number\n";	
	}
	
	if (remove_white_space(document.getElementById('Phone')) == ""){
		error += " - Phone\n";
	}
	
	if (remove_white_space(document.getElementById('Address')) == ""){
		error += " - Address\n";
	}

	if (remove_white_space(document.getElementById('Suburb')) == ""){
		error += " - Suburb\n";
	}

	if (remove_white_space(document.getElementById('Postcode')) == ""){
		error += " - Postcode\n";
	}

	if (remove_white_space(document.getElementById('State')) == ""){
		error += " - State\n";
	}

	if (error) {
		button.disabled = false;
		alert("The following fields are required:\n\n"+error);
	} else {
		emailOrder();
		document.form1.submit();
	}
}

function isEmail(src) 
{
	var emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]+[\.]{1}[\\w]+[\.]?[\\w]+$";
	var regex = new RegExp(emailReg);
	if (regex.test(src)) return true;
	else return false;
}