function openWindow(url, windowname, width, height, toolbar){
        var sizestring = 'width=' + width + ',height=' + height;
	SmallWin = window.open(url,windowname,'scrollbars,resizable,' + sizestring +',toolbar='+toolbar+',location=0,status=0,directories=0,menubar='+toolbar);
	SmallWin.focus();
}