function $$(s){
	return document.getElementById(s);
}
function echo(s){
	document.write(s);
}
function show_disp(id){
	if($$(id).style.display=='none') $$(id).style.display='';
		else $$(id).style.display='none';
}
function setSelectByDic(select,dic,rootpath){
	$.getJSON(rootpath+'dic.php?dc='+dic,function (json){
  		setSelectInJson(select,json);	
  	});
}
function setSelectInJson(select,json){
	$$(select).length=0;
	for(i=0;i<json.length;i++){
		$$(select).options[i+1]=new Option(json[i][1] ,json[i][0] );
	}
}
function setSelectInJsonNoNull(select,json){
	$$(select).length=0;
	for(i=0;i<json.length;i++){
		$$(select).options[i]=new Option(json[i][1] ,json[i][0] );
	}
}
function editSet(fname,data){
	for(i=0;i<$$(fname).elements.length;i++){   
		var e = $$(fname).elements[i];
		if(e.name){
			if(e.tagName=='SELECT'){
				for(var n=0;n<e.options.length;n++){
					if(e.options[n].value==data[e.name]){
						e.options[n].selected=true;
						break;
					}
				}
			}else if(e.tagName=='RADIO'){
			
			}else if(data[e.name]) e.value=data[e.name];
					else e.value='';
		}
	}   
}
function extAlert(msg){
	Ext.MessageBox.alert('系统提示', msg);
}
function debugJson(json){
	for(var key in json){   
		alert(key.toString()+'='+json[key])   
	}
}