var demoWin;

function DoWin(namehtm,wwin,hwin) {
	if ((demoWin != null) && (!demoWin.closed)){demoWin.close()}
	eval("demoWin=window.open('"+namehtm+"', 'demonstrationWin', 'width="+wwin+",height="+hwin+",status=no,toolbar=no,menubar=no,resizable=no,alwaysRaised=yes')");	
}