function resize() {
  var browser = navigator.appName;
  if (browser == "IE") {
	if(document.startseite) {
		document.startseite.style.height=175;
		document.startseite.style.width=225;
	}
	if(document.header) {
		document.header.style.height=51;
		document.header.style.width=231;
	}
	if(document.logo) {
		document.logo.style.height=60;
		document.logo.style.width=160;
	}
	if(document.leist1) {
		document.leist1.style.height=158;
		document.leist1.style.width=210;
	}
	if(document.leist2) {
		document.leist2.style.height=158;
		document.leist2.style.width=210;
	}
  } else {
    if(document.images["startseite"]) {
		document.images["startseite"].style.height=175;
		document.images["startseite"].style.width=225;
	}
	if(document.images["header"]) {
		document.images["header"].style.height=51;
		document.images["header"].style.width=231;
	}
	if(document.images["logo"]) {
		document.images["logo"].style.height=60;
		document.images["logo"].style.width=160;
	}
	if(document.images["leist1"]) {
		document.images["leist1"].style.height=158;
		document.images["leist1"].style.width=210;
	}
	if(document.images["leist2"]) {
		document.images["leist2"].style.height=158;
		document.images["leist2"].style.width=210;
	}
  }
}