function updateStyle(){
    var i_width=0;
    if(navigator.appName.indexOf("Microsoft")!=-1)
    {
      i_width=document.body.offsetWidth;
    }
    else
      i_width=window.innerWidth;

    //800px breite
    if(i_width<850)
    {
      document.getElementById("main_frame").style.left = "2px";
      for (var i = 0; i < document.getElementsByTagName("div").length; i++)
      {
        if(document.getElementsByTagName("div")[i].className=="menu1")
          document.getElementsByTagName("div")[i].className="menu1_kl";
        if(document.getElementsByTagName("div")[i].className=="menu2")
          document.getElementsByTagName("div")[i].className="menu2_kl";
        if(document.getElementsByTagName("div")[i].className=="menu3")
          document.getElementsByTagName("div")[i].className="menu3_kl";
        if(document.getElementsByTagName("div")[i].className=="menu4")
          document.getElementsByTagName("div")[i].className="menu4_kl";
        if(document.getElementsByTagName("div")[i].className=="menux")
          document.getElementsByTagName("div")[i].className="menux_kl";
        if(document.getElementsByTagName("div")[i].className=="menu_ende")
          document.getElementsByTagName("div")[i].className="menu_ende_kl";
      }
      document.getElementById("nav_border").style.width = "148px";
      document.getElementById("border_left").style.width = "150px";
      document.getElementById("border_left").style.backgroundImage = "url(/fileadmin/template/images/menu_ende_kl.gif)";
      document.getElementsByTagName("body")[0].style.fontSize= "10px";
      document.getElementById("main_frame").style.right = "0px";
      document.getElementById("head_frame").style.left = "2px";
      document.getElementById("head_frame").style.right = "0px";
      document.getElementById("head_text2").style.left = "155px";
      document.getElementById("content").style.paddingLeft = "155px";
      document.getElementById("content").style.paddingRight = "165px";
    }
    //1024px breite
    if(i_width>850&&i_width<1050)
    {
      document.getElementById("main_frame").style.left = "5px";
      document.getElementById("main_frame").style.right = "5px";
      document.getElementById("head_frame").style.left = "5px";
      document.getElementById("head_frame").style.right = "5px";
      document.getElementById("head_text2").style.left = "190px";
      document.getElementById("content").style.paddingLeft = "190px";
      document.getElementById("content").style.paddingRight = "190px";
    }
    
    if(i_width>1300&&i_width<1550)
    {
      document.getElementById("main_frame").style.left = "30px";
      document.getElementById("main_frame").style.right = "30px";
      document.getElementById("head_frame").style.left = "30px";
      document.getElementById("head_frame").style.right = "30px";
      document.getElementById("head_text2").style.left = "220px";
      document.getElementById("content").style.paddingLeft = "220px";
      document.getElementById("content").style.paddingRight = "220px";
    }
    if(i_width>1550)
    {
      document.getElementById("main_frame").style.left = "50px";
      document.getElementById("main_frame").style.right = "50px";
      document.getElementById("head_frame").style.left = "50px";
      document.getElementById("head_frame").style.right = "50px";
      document.getElementById("head_text2").style.left = "250px";
      document.getElementById("content").style.paddingLeft = "250px";
      document.getElementById("content").style.paddingRight = "250px";
    }
}