function openWin(url,winname,w,h,scroller,other) {
		centerX = (screen.availWidth-w)/2;
		centerY = (screen.availHeight-h)/2;
		more = 	'Width='+w+',Height='+h;
		more += ',left='+centerX+',top='+centerY;
		more += ',screenX='+centerX+',screenY='+centerY;
		more += ',menubar=no, toolbar=no, status=yes, resizeable=no';
		if (scroller) more += ',scrollbars=yes';
		else          more += ',scrollbars=no';
            more += ',scrollbars=yes';
            if (other)    more += ',' + other;

		win = window.open(url,winname,more);
		win.focus()
}