function change_bg(button){
	if(button == "right"){
		document.getElementById('div_head_nav').style.backgroundColor='#D2D0D0';
	}
	else{
		document.getElementById('div_head_nav').style.backgroundColor='#BEBEBE';
	}
}

function searchbox(word){
	var searchtext;
	if((word == "    ") || (word == "   ") || (word == "  ") || (word == " ") || (word == "")){		
		searchtext = "    Suche";
	}
	else{
		searchtext = word;
	}
	document.searchform.elements["tx_indexedsearch[sword]"].value = searchtext;
	return false;
}

function searchbox_back(word){
	var searchtext;
	
	if(word == " " + " " + " " + " Suche"){		
		searchtext = " " + " " + " " + " ";
	}
	else{
		searchtext = word;
	}
	document.searchform.elements["tx_indexedsearch[sword]"].value = searchtext;
	return false;
}