function openWnd(url,wnd_name,width,height,scrollbars,resizable){
		
	var stScrollBar = (scrollbars ? 'yes' : 'no');
	var stResizable = (resizable ? 'yes' : 'no');
	
	if (top[wnd_name]!=null && typeof(top[wnd_name])=='object' && !top[wnd_name].closed && top[wnd_name].load_flag==1) {
	if (top[wnd_name].document.location.href!=url) top[wnd_name].document.location.href=url;
		top[wnd_name].focus();
	} else {
		top[wnd_name]=window.open(url,wnd_name,'width='+width+',height='+height+',status=yes,menubar=no,resizable='+stResizable+',scrollbars='+stScrollBar+',left='+200+',top='+200);
	}
	return false;
}