function openpopupwin(urlvalue,winwidth,winheight)
	{
	if (navigator.appName == 'Netscape')
		window.open(urlvalue,'popupwin','alwaysLowered=no,alwaysRaised=no,dependent=no,directories=no,fullscreen=no,hotkeys=no,innerHeight='+winheight+',innerWidth='+winwidth+',location=no,menubar=no,personalbar=no,resizable=no,scrollbars=yes,status=no,titlebar=yes,toolbar=no,z-lock=no')
	else
		window.open(urlvalue,'popupwin','alwaysLowered=no,alwaysRaised=no,dependent=no,directories=no,fullscreen=no,height='+winheight+',hotkeys=no,innerHeight='+winheight+',innerWidth='+winwidth+',location=no,menubar=no,personalbar=no,resizable=no,scrollbars=yes,status=no,titlebar=yes,toolbar=no,width='+winwidth+',z-lock=no');
	}