(function(){
	YAHOO.namespace('CN.NKS');
	YAHOO.CN.NKS.msgTip = function(){
		var _dom = YAHOO.util.Dom;
		var _event = YAHOO.util.Event;
		var showTip = function(e){
			var el = _event.getTarget(e);
			var tip = document.createElement('div');
			//tip.style = "background:#fffbb9; border:1px solid #fc0; padding:.6em; color:#9e7702; line-height:1.6; position:absolute";
			tip.id = 'source-tip';
			
			tip.style.position = 'absolute';
			tip.style.background = '#fffbb9';
			tip.style.border = '1px solid #fc0';
			tip.style.color = '#9e7501';
			tip.style.lineHeight = '1.6';
			tip.style.zIndex = '999';
			tip.style.padding = '.5em';
			//var ico = _dom.getElementsByClassName('source-ico');
			if(el.className == 'source-ico-web'){
				var icopos = _dom.getXY(el);
				tip.innerHTML = '来源网页搜索';
				document.body.appendChild(tip);
				_dom.setXY('source-tip',[icopos[0]+20,icopos[1]+10]);
				
			}
			if(el.className == 'source-ico-mobile'){
				var icopos = _dom.getXY(el);
				tip.innerHTML = '来源手机提问';
				document.body.appendChild(tip);
				_dom.setXY('source-tip',[icopos[0]+20,icopos[1]+10]);
			}			
		}
		var hideTip = function(){
			if(_dom.get('source-tip')){
				_dom.get('source-tip').parentNode.removeChild(_dom.get('source-tip'));
			}
		}
		_event.on(document,'mouseover',showTip);
		_event.on(document,'mouseout',hideTip);
	}
	//选择来源
	YAHOO.CN.NKS.chooseSource = function(){
		var _dom = YAHOO.util.Dom;
		var _event = YAHOO.util.Event;
		var selebtn = _dom.get('select-source');
		var container = _dom.get('source-container');
		var list = container.getElementsByTagName('a');
		var flag = 0;
		var showContainer = function(){
			container.style.display = '';
			flag = 1;
		}
		var hideContainer = function(){
			container.style.display = 'none';
			flag = 0;
		}
		
		var selectSource = function(){
			for(var i=0,j=list.length; i<j; i++){
				_event.on(list[i],'mouseover',function(){
					this.parentNode.style.background = '#eee';
				});
				_event.on(list[i],'mouseout',function(){
					this.parentNode.style.background = '#fff';
				});
			}
		}
		selectSource();
		_event.on(selebtn,'click',function(e){
			if(flag == 0){
				showContainer();
				_event.stopEvent(e);
			}else{
				hideContainer();
				_event.stopEvent(e);
			}
		});
		_event.on(document,'click',function(e){
			var el = _event.getTarget(e);
			if(el.parentNode.id != 'source-container' || el.parentNode.parentNode.id != 'source-container' || el.id != 'source-container'){
				hideContainer();
			}
		})
		//_event.on(window,'load',selectSource);
	}
	YAHOO.util.Event.on(window,'load',YAHOO.CN.NKS.msgTip);
	YAHOO.util.Event.on(window,'load',YAHOO.CN.NKS.chooseSource);
})();<!-- ksw6.search.cnb.yahoo.com compressed/chunked Fri May 16 20:55:54 CST 2008 -->