if (document.layers) { 
	document.write("<input type='image' src='images/but_track.gif' border='0'");
	document.write(" onclick='ValTracking(ftracking);' onMouseOut='MM_swapImgRestore()'");
	document.write(" onMouseOver='MM_swapImage(\"track\",\"\",\"images/but_track_f2.gif\",1)'>");
} else {
	document.write("<a href='javascript:ValTracking(ftracking)' onMouseOut='MM_swapImgRestore()'");
	document.write(" onMouseOver='MM_swapImage(\"track\",\"\",\"images/but_track_f2.gif\",1)'>");
	document.write("<img name='track' border='0' src='images/but_track.gif'></a>");
}