function getWidth() {
 var de = document.documentElement;
 var myWidth = window.innerWidth || self.innerWidth || (de && de.clientWidth) || document.body.clientWidth || de && de.offsetWidth;
 return myWidth;
}

function getHeight() {
 var de = document.documentElement;
 var myHeight = window.innerHeight || self.innerHeight || (de && de.clientHeight) || document.body.clientHeight || de && de.offsetHeight;
 return myHeight;
}

var txt='<style type="text/css">';

//alert('Breite: ' + getWidth());

if (!(navigator.appName == "Microsoft Internet Explorer")) {
  if (getWidth() > 1100) {
    txt+='#fotos{width:880px; margin:0 0 0 0;}';
    txt+='div.hoch1{width:400px; margin:10px 40px 10px 0px;}';
    txt+='div.quer1{width:400px; margin:60px 40px 60px 0px;}';
    if(txt.length>9)document.write(txt+'<\/style>');
  } else {
    txt+='#fotos{width:830px; margin:0 0 0 -23px;}';
    if(txt.length>9)document.write(txt+'<\/style>');
  }
}