function email_HaS(obj, text)
{
	if(obj.value=='')
	{
		obj.value=text;
		
		switch(text)
		{
			case "E-mail":
			case "Пароль":
				obj.style.color = "#666666";
			break;
		}
	}
	else if(obj.value==text)
	{
		obj.value='';
		
		switch(text)
		{
			case "E-mail":
			case "Пароль":
				obj.style.color = "#000000";
			break;
		}
	}
	
}