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=");
		//alert(i);
		if(i>-1)
		{
		var wstartpos=i+6;
		widthstr=controlstr.substring(wstartpos,wstartpos+3);
		//alert('widthstr=' + widthstr);
		//alert(widthstr);
		}
		j=controlstr.indexOf("height=");
		//alert(j)
		if(j>-1)
		{
		var hstartpos=j+7;
		heightstr=controlstr.substring(hstartpos,hstartpos+3);
		//alert(heightstr);
		}
	}
	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);
	}
	//alert(controlstr);
	newwin=window.open(url,wname,controlstr);
	//newwin.left=(chasm-wname.width)/2;
	//newwin.top=(mount-wname.height)/2;
	
}