// alert ("starting page");
  
function getScreenSize ( ) {   
   var myWidth = 0, myHeight = 0; 
  if( typeof( window.innerWidth ) == 'number' ) { 
    //Non-IE
      myWidth = window.innerWidth;
      myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
        myWidth = document.documentElement.clientWidth;
        myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
          myWidth = document.body.clientWidth;
          myHeight = document.body.clientHeight;
  }  
     // alert ( "myHeight" + myHeight  ) ; 
     return myHeight ;  
  }   

   function seiteRichten ( pageHeight ) {
   	// alert ("starting script" + pageHeight ); 
  var blendeGroesse = ( document.getElementById("bodytag").offsetWidth - 940 ) / 2 ; 
  document.getElementById("blendeRechts").style.width = blendeGroesse + "px" ; 
  document.getElementById("blendeRechts").style.height = pageHeight + "px" ; 
 
  if ( myHeight > pageHeight ) {
  	
  	  document.getElementById("footer").style.top = pageHeight + "px" ; 
  	   document.getElementById("footer").style.height = 1600 + "px" ; 
   	    
   	  } else {
  	 document.getElementById("footer").style.bottom = 0 + "px" ; 

  }
   	
  }