// JavaScript Document
img_path2 = '/versicherung/img_mm/vkalender/';
monate = new Array("jan", "feb", "mar", "apr", "mai", "jun", "jul", "aug", "sep", "okt", "nov", "dez");
active = 0;

function select(id){
 deselect_all();
 img_id = "img_"+id;
 active = indexoff(id, monate);
 document.getElementById(img_id).getElementsByTagName("img")[0].src = img_path2+id+'_active.gif';
 document.getElementById(id).style.display ="block";
}

function deselect_all(){
 for(var i=0; i < monate.length; i++) {
 img_id = "img_"+monate[i];
 document.getElementById(img_id).getElementsByTagName("img")[0].src = img_path2+monate[i]+'.gif';
 document.getElementById(monate[i]).style.display ="none";
 }
}

function next(){
 active = (active+1)%12;
 select(monate[active]);
}

function prev(){
 active = (active+11)%12;
 select(monate[active]);
}

function indexoff(elem, array){

 gefunden = false;
 index = -1;
 for(var i=0; i<array.length && !gefunden; i++){
 if(array[i] == elem){
 gefunden = true;
 index = i;
 }
 }
 return index;
}