function preview(file,width,height){
	open(file,"","toolbar=no,width="+width+",height="+height+",scrollbars");
}
function zamknij(){
	window.close();
}
function OpenFile( fileUrl )
{
	window.top.opener.SetUrl( fileUrl ) ;
	window.top.close() ;
	window.top.opener.focus() ;
}