function set_checkboxes(group_name){

	i = 0;
	do{
		elem = getElem("id",group_name + "_" + i,null);
		if(elem && (typeof(elem) == 'object')) elem.checked = true;
		i++;
	}

	while(elem && (typeof(elem) == 'object'));
}



function clear_checkboxes(group_name){

	i = 0;

	do{
		elem = getElem("id",group_name + "_" + i,null);
		if(elem && (typeof(elem) == 'object')) elem.checked = false;
		i++;
	}

	while(elem && (typeof(elem) == 'object'));
}

function set_zip(zip){

	elem = getElem("id","country",null);
	if(elem && (typeof(elem) == 'object')) elem.selectedIndex = 0;

	elem = getElem("id","zip",null);
	if(elem && (typeof(elem) == 'object')) elem.value = zip;
}

function country_changed(){

	if(this.selectedIndex != 0){
		elem = getElem("id","zip",null);
		if(elem && (typeof(elem) == 'object')) elem.value = '';

		elem = getElem("id","bl",null);
		if(elem && (typeof(elem) == 'object')){
			elem.selectedIndex = 0;
		}
	}
}

function hide_section(s_id){
	
	elem = getElem("id",s_id,null);

	if (document.all){
		elem.style.setAttribute("display","none","false");
	}
	else{
		elem.style.display = "none";
	}
}

function show_section(s_id){

	elem = getElem("id",s_id,null);

	if (document.all){
		elem.style.setAttribute("display","","false");
	}
	else{
		elem.style.display = "";
	}
}

function helpme(cat){
	
	h = window.open("help.php?topic=" + cat,"help","width=330,height=400,menubar=no, status=no, resizable=yes, scrollbars=yes, location=no");

}

karte_plz = new Image();
karte_plz.src = "../images/de_karte.gif";     /* erste Standard-Grafik */

karte_bdl = new Image();
karte_bdl.src = "../images/de_karte_bdlaender.gif"; /* erste Highlight-Grafik */

function ch_karte_bdl(){
 	elem = getElem("id","karte",null);
	elem.src = karte_bdl.src;
}

function ch_karte_plz(){
 	elem = getElem("id","karte",null);
	elem.src = karte_plz.src;
}