function openSIM( windowTitle, dcrFile, configFile ) {
var OpenWindow=window.open("", "lessonwin", "height=604,width=804");
OpenWindow.document.write('');
OpenWindow.document.write('');
OpenWindow.document.write('' + windowTitle + '');
OpenWindow.document.write('');
OpenWindow.document.write('');
OpenWindow.document.write('');
OpenWindow.document.write('');
OpenWindow.document.write('');
OpenWindow.document.write('');
OpenWindow.document.close();
}