/*Umstellung Schriftgrößen*/
function changeFontSize(size)  {
  var size=parseFloat(size);
  var p_size=size;
  var h3_size=size+1;
  var h2_size=size+2;
  var h1_size=size+4;
  var a_size=size;

  for (var i=0;i<document.getElementsByTagName("p").length;i++) {
    document.getElementsByTagName("p")[i].style.fontSize=p_size+"px";
  }

  for (var i=0;i<document.getElementsByTagName("h2").length;i++) {
    document.getElementsByTagName("h2")[i].style.fontSize=h2_size+"px";
  }

  for (var i=0;i<document.getElementsByTagName("h3").length;i++) {
    document.getElementsByTagName("h3")[i].style.fontSize=h3_size+"px";
  }

  for (var i=0;i<document.getElementsByTagName("h1").length;i++) {
    document.getElementsByTagName("h1")[i].style.fontSize=h1_size+"px";
  }

  for (var i=0;i<document.getElementsByTagName("a").length;i++) {
    document.getElementsByTagName("a")[i].style.fontSize=a_size+"px";
  }

  document.getElementById("company").style.fontSize=h2_size+"px";
}

/*VRR-Info*/
function open_vrr(address) {
	var address=address.replace(/ /,"+");
	var query="http://efa.vrr.de/vrr/XSLT_TRIP_REQUEST2?language=de&place_destination=Unna&name_destination='"+escape(address)+"'&type_destination=address&sessionID=0";
	frame=window.open(query,"vrr","width=850px,height=600px,screenX=1,screenY=1,left=20px,top=20px,resizable=yes,menubar=no,status=yes,scrollbars=yes");
	frame.focus();
}

/*Slideshow und Bildwechsel*/
var posX=0;

function slideBack(div) {
	if (posX==-125) document.getElementById("shop_left").src="images/arrow_left_tr.jpg";
	if (posX==0) return;
	document.getElementById("shop_right").src="images/arrow_right.jpg";
	var section=div;
	posX=posX+125;
	if (section=="shop") document.getElementById("shop_pics").style.left=posX+"px";
	else document.getElementById("showroom_pics").style.left=posX+"px";
	return;
}

function slideForward(div,amount) {
	var max=(amount*-(125))+500;
	if (posX==max+125) document.getElementById("shop_right").src="images/arrow_right_tr.jpg";
	if (posX==max) return;
	document.getElementById("shop_left").src="images/arrow_left.jpg";
	var section=div;
	posX=posX-125;
	if (section=="shop") document.getElementById("shop_pics").style.left=posX+"px";
	else document.getElementById("showroom_pics").style.left=posX+"px";
	return;
}

function changePic(div,url) {
	var section=div;
	if (section=="shop") document.images.shop.src=url;
	else document.images.showroom.src=url;
}