if (getClientWidth()>1024) document.write('<style type="text/css">\
   body { background-position:0px 0 }\
   @media screen {  #seite { 	margin-left: 40px;}} \
   </style>');

function getClientWidth()
{
   if (self.innerWidth) // all except Explorer
	return self.innerWidth;
   else if (document.documentElement && document.documentElement.clientWidth)	// Explorer 6 Strict Mode
	return document.documentElement.clientWidth;
   else if (document.body) // other Explorers
        return document.body.clientWidth;
   return 0;	
}