function jMakeWindowC(url,wname,controlstr) {
	var chasm = screen.availWidth;
	var mount = screen.availHeight;
	var w = 0;
	var h = 0;
	var widthstr = 500;
	var heightstr  =500;
	if(controlstr.length > 0)
	{
		i = controlstr.indexOf("width=");
		if (i > -1)
		{
			var wstartpos = i + 6;
			widthstr = controlstr.substring(wstartpos, wstartpos + 3);
		}
		j = controlstr.indexOf("height=");
		if( j > -1)
		{
			var hstartpos = j + 7;
			heightstr=controlstr.substring(hstartpos, hstartpos + 3);
		}
	}
	wleft = (chasm-widthstr) / 2;
	wtop = (mount-heightstr) / 2;
	if ((controlstr.length > 0) & (i > -1) & (j > -1))
	{
		controlstr = controlstr + ',scrollbars=yes,resizable=yes' + ',left=' + wleft + ',top=' + wtop;
	}
	else
	{
		controlstr = controlstr + ',scrollbars=yes,resizable=yes' + ',left=' + ((chasm - w - 10) * .25) + ',top=' + ((mount - h - 10) * .1);
	}
	newwin = window.open(url, wname, controlstr);
	newwin.left=(chasm-wname.width)/2;
	newwin.top=(mount-wname.height)/2;
	
}