/* Formatierung der gesamten Webseite */
body { text-align:center; margin:0px; padding:0px; }
   * { margin:0px; padding:0px; }
   
/* Positionierung sämtlicher Layoutelemente */
.main {
    width:900px;
    height:100%;
    text-align:left;
    margin:0 auto;
} 

/* Hauptinhalte des Contentbereichs */
.main *.main_layout {
  position:absolute;
    top:155px;
    width:900px;
    height:70%;

  border:none;
  background-color:transparent;
}

.main *.main_layout *.content {
  display:block;
    float:right;
    
    width:685px;
    height:100%;
    

  margin-right:10px;
  
  border:none;
  background-color:transparent;  
}

/* Navigation im Hauptbereich (links) */
.main *.main_layout *.navigation {
  display:block;
    float:left; 
    margin-left:10px;
    padding-right:1px;
    width:185px;
    height:607.5px;
    
  background-image:url('./../resource/sys_imgs/background.gif');  
  background-repeat:repeat-y;
  background-position:top right;
  
  background-color:transparent;
  border:none;
}


/* Seitenüberschrift, Slogan bzw. Titelzeile */
.main *.main_pageheader_01, .main *.main_pageheader_02, .main *.main_pageheader_03, .main *.main_pageheader_04 {
  position:absolute;
    width:535px;
    height:145px;
  
  border:none;
  background-color:transparent;
}

.main *.main_pageheader_01 {
  background-image:url('./../resource/sys_imgs/pageheader_01.jpg');
  background-position:left top;
  background-repeat:no-repeat; 
}

.main *.main_pageheader_02 {
  background-image:url('./../resource/sys_imgs/pageheader_02.jpg');
  background-position:left top;
  background-repeat:no-repeat; 
}

.main *.main_pageheader_03 {
  background-image:url('./../resource/sys_imgs/pageheader_03.jpg');
  background-position:left top;
  background-repeat:no-repeat; 
}

.main *.main_pageheader_04 {
  background-image:url('./../resource/sys_imgs/pageheader_04.jpg');
  background-position:left top;
  background-repeat:no-repeat; 
}