function checkpflichtfelder(frm)
{
	var fieldcheck = true;
	var objs = document[frm].getElementsByTagName("input");
	for (i = 0; i < objs.length; i++)
	{
		fielderror = false
		if (objs[i].getAttribute("pflicht") == "yes")
		{
			if (objs[i].type = "text")
			{
				if (objs[i].value == "")
				{
					fielderror = true;
				}
			}
		}
		if (fielderror) 
		{
			objs[i].style.backgroundColor = "#FFCCCC";
			fieldcheck = false;
		}
		else
		{
			objs[i].style.backgroundColor = "";
		}
	}
	if (!fieldcheck) alert("Bitte füllen Sie die Pflichtfelder aus.");
	return fieldcheck;
}