function onclick_input(fieldID, fieldClass, langSuchbegriff)
{
	if (document.getElementById(fieldID).value == langSuchbegriff)
		document.getElementById(fieldID).value = "";
	document.getElementById(fieldID).className = fieldClass;
}

function onblur_input(fieldID, fieldClass, langSuchbegriff)
{
	if (document.getElementById(fieldID).value == langSuchbegriff || document.getElementById(fieldID).value == "") {
		document.getElementById(fieldID).className = fieldClass;
		document.getElementById(fieldID).value = langSuchbegriff;
	} else
		document.getElementById(fieldID).className = "";
}