// FORMULAR†BERPR†FUNG
function bestellformularPruefen(bestellformular_name,fehlermeldung){
	// Wir finden das Formular per ID statt "name" heraus, damit's
	// XHTML-valid ist...
	var formular = document.getElementById(bestellformular_name);
	for(f=0;f<document.forms.length;f++){
		if(document.forms[f].id == bestellformular_name){
			var felder = document.forms[f].elements;
			break;
		}
	}
	var fehler = false;
	for(x=0;x<felder.length;x++){
		if(document.forms[f].elements[x].value == ""){
			fehler = true;
		}
	}
	if(fehler){
		alert(fehlermeldung);
	} else {
		document.forms[f].submit();
	}
}


// SUCHFORMULAR
function defaultsearchtermcheck(fieldid,default_wenn_leer){
	
	if(window.defaultsearchterm == undefined){
		var defaultvalue = "";
	} else {
		var defaultvalue = window.defaultsearchterm;
	}
	var currentvalue = document.getElementById(fieldid).value;
	if(currentvalue == defaultvalue){
		document.getElementById(fieldid).value = "";
	} else if(currentvalue == "" && default_wenn_leer){
		document.getElementById(fieldid).value = defaultvalue;
	}
}


function setdefaultsearchterm(fieldid){
	if(window.defaultsearchterm == undefined){
		window.defaultsearchterm = "";
	}
	document.getElementById(fieldid).value = window.defaultsearchterm;
}



// BELIEBIGES ELEMENT GEM. †BERGEBENER ID EIN/AUSBLENDEN
function toggle_visible(element_id){
	if(document.getElementById(element_id).style.display == "block"){
		document.getElementById(element_id).style.display = "none";
	} else {
		document.getElementById(element_id).style.display = "block";
	}
}