function checkEmail(email)
	{
		var characters = /^[^@]+@[^@]+.[a-z]{2,}$/i;
		if (email.value.search(characters) == -1)
		{	
			return false;
		}
		return true;
	}
	
	function checkPhone(item, num)
	{
		size=item.value.length;
		if(isNaN(item.value) == true){return false;}
		if(size < num){return false;}
		return true;
	}

	function checkForm(item)
	{
		if(item.value == "" || item.value == null)
		{
			return false;
		}
		
		return true;
	}

	function checkAddress(address, state, zip, city, country)
	{	
		
		if(address.value.length == 0 || address.value == null){return -3;}
		if(city.value.length == 0 || city.value == null){return -4;}
		if(state.value.length < 2 || state.value == null){return -2;}
		if(isNaN(zip.value) == true){return -1;}
		if(zip.value.length < 5){return -1;}
		if(country.value == "" || country.value == null){return -5;}

		return 0;
	}