function validateAttributes(form)
{
	var inputs = form.getElementsByTagName("input");
	var numberPattern = /^[0-9]*$/;
	
	for( var i = 0; i < inputs.length; i++ )
	{
		var type = inputs[i].type;
		if (!type) continue;
		if( type.toLowerCase() == "text")
		{
			if(inputs[i].value != "" && inputs[i].value != "0" && numberPattern.test(inputs[i].value))
			return true;
		}
	}
	
	alert("Please choose quantity");
	return false;
}