var myWidth = 1024, myHeight = 650;

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;
}

document.writeln("<link rel=\"stylesheet\" type=\"text/css\" href=\"css/css.php?width=" + myWidth + "&height=" + myHeight + "\">");