var counter = 1;
	
function changeImg(x)
{
	
	switch(x) {
	case "+": 
	if (counter==13)
		{
			counter = 1;
		}
		else
		{
		counter = counter + 1;
		}
		break;
		case "-":
		if (counter==13)
			{
				counter = 1;
			}
			else
			{
			counter = counter +- 1;
			}
		break;	
	default:
	counter = x;
	}
	document.rundgang.src="img/rundgang/r_"+counter+".jpg";
}

			function changeContent(file) {
	
	//myObj1.location.href = 'presse_text_'+file+'.html';
	//Alle h2 auf nicht aktiv setzen
	var subheadlines = document.getElementsByTagName("h2");
	for (var i = 0; i < subheadlines.length; i++) {
  		subheadlines[i].className = "inactive";
	}
	//Jetzt aktuelle Headline auf active setzen
	document.getElementById(file).className='active';
	
			}
function sendObjRef(obj1, obj2)
        {
        myObj1=obj1;
        myObj2=obj2;
        }

function init() {
		if (this!=top) parent.sendObjRef(window, this.document);
		}