function switchRK(obj, change){
	obj.className=change;
}

function Fensterweite () {
  if (window.innerWidth) {
    return window.innerWidth;
  } else if (document.body && document.body.clientWidth) {
    return document.body.clientWidth;
  } else {
    return 0;
  }
}

function Fensterhoehe () {
  if (window.innerHeight) {
    return window.innerHeight;
  } else if (document.body && document.body.clientHeight) {
    return document.body.clientHeight;
  } else {
    return 0;
  }
}

function changeImg(obj, src) {
	document.getElementById(obj).src = src;
}

function divHidden(obj){
  document.getElementById(obj).style.display = "none";
}

function divVisible(obj){
  document.getElementById(obj).style.display = "block";
}

// oeffnet ein Fenster mit der Breite (hxw) und zeigt darin die uebergeben seite an
function openHabaWindow(page, w, h){
	var habaWindow = window.open(page, "habaWindow", "width="+w+"px, height="+h+"px, scrollbars=yes, resizable=yes");
	habaWindow.focus();
}

function openWunschzettelDrucken(page){
	openHabaWindow(page, 650, 800);
}

function openWunschzettelWeiterleiten(page){
	openHabaWindow(page, 630, 360);
}

function openFreundWeiterleiten(page){
	openHabaWindow(page, 630, 360);
}

function openProduktDrucken(page){
	openHabaWindow(page, 712, 480);
}
function changeOnlineShopGruppe(){	
	for (i = 0; i < document.OnlineShopGruppenForm.onlineshopgruppen.length; ++i){
	    if (document.OnlineShopGruppenForm.onlineshopgruppen.options[i].selected == true){
	    	location.href="onlineshop.htm?c="+document.OnlineShopGruppenForm.onlineshopgruppen.options[i].value;
	    }
	}	
}

function clearInputField(field, word2eliminate) {
	if(field.value == word2eliminate) {
		field.value='';
	}
}