/* BEGIN RATY LUKAS */
function openWindow( sAdres, iWidth, iHeight, sTitle, iReturn ){

  if ( !sTitle )

    sTitle = '';

  if( !iReturn )

    iReturn = false;



	if( !iWidth )

		var iWidth = 750;

	if( !iHeight )

		var iHeight = 530;


	var iX = ( screen.availWidth - iWidth ) / 2;

	var iY = ( screen.availHeight - iHeight ) / 2;



  var refOpen = window.open( sAdres, sTitle, "height="+iHeight+",width="+iWidth+",top="+iY+",left="+iX+",resizable=yes,scrollbars=yes,status=0;" );

  

  if( iReturn == true )

  	return refOpen

}
/* END RATY LUKAS */