var parentbject;
window.city_suggestInt = function(){
	this.Remoreurl = ''; // 远程URL地址
	this.object = '';
	this.id2 = '';
	this.taskid = 0;
	this.delaySec = 10; // 默认延迟多少毫秒出现提示框
	this.lastkeys_val = 0;
	this.lastinputstr = '';
	this.nation = ''; // 用于显示国家
	/**
	* 初始化类库
	*/
	this.init_zhaobussuggest=  function(){
		var objBody = document.getElementsByTagName("body").item(0);		
		var objiFrame = document.createElement("iframe");
		var objplatform = document.createElement("div");
		objiFrame.setAttribute('id','getiframe');
		objiFrame.style.position = 'absolute';
		
	//	objiFrame.style.display = 'none';
		objplatform.setAttribute('id','getplatform');
		objplatform.setAttribute('align','left');
		objplatform.style.position = 'absolute';
	//	objplatform.style.zIndex = '-1'; 
		objBody.appendChild(objiFrame);
		objiFrame.document.body.appendChild(objplatform);
		
		if(!document.all) {
			window.document.addEventListener("click",this.hidden_suggest,false);
		}else{
			window.document.attachEvent("onclick",this.hidden_suggest);
		}
	}

	/***************************************************fill_div()*********************************************/
	//函数功能：动态填充div的内容，该div显示所有的提示内容
	//函数参数：allplat 一个字符串数组，包含了所有可能的提示内容
	this.fill_div = function(allplat){
		var msgplat = '';
		var all = '';
		var spell = '';
		var chinese = '';
		var nation = '';
		var platkeys = this.object.value;
        platkeys=this.ltrim(platkeys);      
		if(!platkeys){
			msgplat += '<table class="hint" width="210"><tr align="left"><td class="tdleft" height="10" align="left">输入中文/英文或&uarr;&darr;选择</td></tr></table><table width="210" class="mout" height="2"><tr><td></td></tr></table>';
			for(i=0;i<allplat.length;i++){			    
			    all=allplat[i].split(",");			   
				spell=all[0];
				chinese=all[1];
				szm=all[2];
				nation = all[3];
				msgplat += '<table class="mout" width="210"><tr onclick="parentbject.add_input_text(\'' + chinese + '\',\'' + szm + '\',\''+nation+ '\')"><td class="tdleft" height="10" align="left">'+ spell +
				       '</td><td class="tdright" align="right">' + chinese + '</td><td style="display:none">' + szm + '</td><td style="display:none">' + nation + '</td></tr></table>';
				
			}
        }
		else {
			if(allplat.length < 1 || !allplat[0]){
				msgplat += '<table class="hint" width="210"><tr align="left"><td class="tdleft" height="10" align="left">对不起，找不到：'+platkeys+'</td></tr></table><table width="210" class="mout" height="2"><tr><td></td></tr></table>';

			}
			else{
			   msgplat += '<table class="hint" width="210"><tr align="left"><td class="tdleft" height="10" align="left">'+platkeys+'，按英文排序</td></tr></table><table width="210" class="mout" height="2"><tr><td></td></tr></table>';
			   for(i=0;i<allplat.length;i++){			   		 
					all=allplat[i].split(",");					
					spell=all[0];
					chinese=all[1];
					szm=all[2];
					nation = all[3];
					msgplat += '<table class="mout" width="210"><tr onclick="parentbject.add_input_text(\'' + chinese + '\',\'' + szm + '\',\''+nation+'\')"><td class="tdleft" height="10" align="left">'+ spell +
				       '</td><td class="tdright" align="right">' + chinese + '</td><td style="display:none">' + szm + '</td><td style="display:none">' + nation + '</td></tr></table>';
				
				}
			}
		}
		document.getElementById("getplatform").innerHTML =  msgplat;

		var nodes = document.getElementById("getplatform").childNodes;
		nodes[0].className = "hint";
		if(allplat.length >= 1 && allplat[0]){
			nodes[2].className = "selected";
		}
		this.lastkeys_val = 0;
		for(var i=2;i<nodes.length;i++){
			nodes[i].onmouseover = function(){
				this.className = "mover";
			}

			nodes[i].onmouseout = function(){
				if(parentbject.lastkeys_val==(parentIndexOf(this)-2)){this.className = "selected";}
				else{this.className = "mout";}
			}
		}
		document.getElementById("getiframe").style.width = document.getElementById("getplatform").clientWidth+2;
        document.getElementById("getiframe").style.height = document.getElementById("getplatform").clientHeight+2;
	}

	/***************************************************fix_div_coordinate*********************************************/
	//函数功能：控制提示div的位置，使之刚好出现在文本输入框的下面
	this.fix_div_coordinate = function(){
		var leftpos=0;
		var toppos=0;
		aTag = this.object;
		do {
			aTag = aTag.offsetParent;
			leftpos	+= aTag.offsetLeft;
			toppos += aTag.offsetTop;
		}while(aTag.tagName!="BODY");
		document.getElementById("getiframe").style.width = this.object.offsetWidth + 'px';
		if(document.layers){
			document.getElementById("getiframe").style.left = this.object.offsetLeft	+ leftpos + "px";
			document.getElementById("getiframe").style.top = this.object.offsetTop +	toppos + this.object.offsetHeight + 2 + "px";
		}else{
			document.getElementById("getiframe").style.left =this.object.offsetLeft	+ leftpos  +"px";
			document.getElementById("getiframe").style.top = this.object.offsetTop +	toppos + this.object.offsetHeight + 'px';
		}
		document.getElementById("getplatform").style.width = this.object.offsetWidth + 'px';
		if(document.layers){
			document.getElementById("getplatform").style.left = this.object.offsetLeft	+ leftpos + "px";
			document.getElementById("getplatform").style.top = this.object.offsetTop +	toppos + this.object.offsetHeight + 2 + "px";
		}else{
			document.getElementById("getplatform").style.left =this.object.offsetLeft	+ leftpos  +"px";
			document.getElementById("getplatform").style.top = this.object.offsetTop +	toppos + this.object.offsetHeight + 'px';
		}
	}

    /***************************************************hidden_suggest*********************************************/
	//函数功能：隐藏提示框
	this.hidden_suggest = function (){
		this.lastkeys_val = 0;
		document.getElementById("getiframe").style.visibility = "hidden";
		document.getElementById("getplatform").style.visibility = "hidden";
	}

	/***************************************************show_suggest*********************************************/
	//函数功能：显示提示框
	this.show_suggest = function (){
		document.getElementById("getiframe").style.visibility = "visible";
		document.getElementById("getplatform").style.visibility = "visible";
	}

	this.is_showsuggest= function (){
		if(document.getElementById("getplatform").style.visibility == "visible") return true;else return false;
	}

	this.sleep = function(n){
		var start=new Date().getTime(); //for opera only
		while(true) if(new Date().getTime()-start>n) break;
	}

	this.ltrim = function (strtext){
		return strtext.replace(/[\$&\|\^*%#@! ]+/, '');
	}

    /***************************************************add_input_text*********************************************/
	//函数功能：当用户选中时填充相应的城市名字

	this.add_input_text = function (keys,szm,nation){
		keys=this.ltrim(keys)
		this.object.value = keys;
		var id=this.object.id;
		document.getElementById(id).focus();
		document.getElementById(this.id2).value = szm;
		document.getElementById(this.nation).value = nation;
		document.getElementById(id).style.color="#000000";
		document.getElementById(id).value=keys;			
		
     }

	/***************************************************keys_handleup*********************************************/
	//函数功能：用于处理当用户用向上的方向键选择内容时的事件
	this.keys_handleup = function (){
		if(this.lastkeys_val > 0) this.lastkeys_val--;
		var nodes = document.getElementById("getplatform").childNodes;
		if(this.lastkeys_val < 0) this.lastkeys_val = nodes.length-1;
		var b = 0;
		for(var i=2;i<nodes.length;i++){
			if(b == this.lastkeys_val){
				nodes[i].className = "selected";
				this.add_input_text(nodes[i].childNodes[0].childNodes[0].childNodes[1].innerHTML,nodes[i].childNodes[0].childNodes[0].childNodes[2].innerHTML,nodes[i].childNodes[0].childNodes[0].childNodes[3].innerHTML);
			}else{
				nodes[i].className = "mout";
			}
			b++;
		}
	}

	/***************************************************keys_handledown*********************************************/
	//函数功能：用于处理当用户用向下的方向键选择内容时的事件
	this.keys_handledown = function (){
		this.lastkeys_val++;
		var nodes = document.getElementById("getplatform").childNodes;
		if(this.lastkeys_val >= nodes.length-2) {
			this.lastkeys_val--;
			return;
		}
		var b = 0;
		for(var i=2;i<nodes.length;i++){
			if(b == this.lastkeys_val){
				nodes[i].className = "selected";
				this.add_input_text(nodes[i].childNodes[0].childNodes[0].childNodes[1].innerHTML,nodes[i].childNodes[0].childNodes[0].childNodes[2].innerHTML,nodes[i].childNodes[0].childNodes[0].childNodes[3].innerHTML);
			}else{
				nodes[i].className = "mout";
			}
			b++;
		}
	}

	this.ajaxac_getkeycode = function (e)
	{
		var code;
		if (!e) var e = window.event;
		if (e.keyCode) code = e.keyCode;
		else if (e.which) code = e.which;
		return code;
	}

	/***************************************************keys_enter*********************************************/
	//函数功能：用于处理当用户回车键选择内容时的事件
	this.keys_enter = function (){
		var nodes = document.getElementById("getplatform").childNodes;
		for(var i=2;i<nodes.length;i++){
			if(nodes[i].className == "selected"){
				this.add_input_text(nodes[i].childNodes[0].childNodes[0].childNodes[1].innerHTML,nodes[i].childNodes[0].childNodes[0].childNodes[2].innerHTML,nodes[i].childNodes[0].childNodes[0].childNodes[3].innerHTML);
			}
		}
		this.hidden_suggest();
	}

    /***************************************************display*********************************************/
	//函数功能：入口函数，将提示层div显示出来
	//输入参数：object 当前输入所在的对象，如文本框
	//输入参数：e IE事件对象
	// 输入参数 ： nation 所属国家
	this.display2 = function (object,id2,e,nation){
		this.id2 = id2;
		this.nation = nation;
		if(!document.getElementById("getplatform")) this.init_zhaobussuggest();
		if (!e) e = window.event;
		e.stopPropagation;
		e.cancelBubble = true;
		if (e.target) targ = e.target;  else if (e.srcElement) targ = e.srcElement;
		if (targ.nodeType == 3)  targ = targ.parentNode;

		var inputkeys = this.ajaxac_getkeycode(e);
		
		switch(inputkeys){
			case 38: //向上方向键
				this.keys_handleup(object.id);
			    return;break;
			case 40: //向下方向键
				if(this.is_showsuggest()) this.keys_handledown(object.id); else this.show_suggest();
			    return;break;
			case 39: //向右方向键
				return;break;
			case 37: //向左方向键
				return;break;
			case 13: //对应回车键
			    this.keys_enter();
			    return;break;	
					    		  		
			case 19: //对应Alt键
				this.hidden_suggest();
			    return;break;
			case 27: //对应Esc键
				this.hidden_suggest();
			    return;break;
		}

		//object.value = this.ltrim(object.value);
		this.object = object;
		//if(object.value == this.lastinputstr) return;else this.lastinputstr = object.value;
		if(window.opera) this.sleep(100);//延迟0.1秒
		parentbject = this;
		if(this.taskid) window.clearTimeout(this.taskid);
        this.taskid=setTimeout("parentbject.localtext();" , this.delaySec)
		//this.taskid = setTimeout("parentbject.remoteurltext();" , this.delaySec);

	}

	//函数功能：从本地js数组中获取要填充到提示层div中的文本内容
	this.localtext = function(){
		var id=this.object.id;
        var suggestions="";
        suggestions=this.getSuggestionByName();
		suggestions=suggestions.substring(0,suggestions.length-1);

		parentbject.show_suggest();
		parentbject.fill_div(suggestions.split(';'));
		parentbject.fix_div_coordinate();
	}

	/***************************************************getSuggestionByName*********************************************/
	//函数功能：从本地js数组中获取要填充到提示层div中的城市名字
	this.getSuggestionByName = function(){
		platkeys = this.object.value;
		var str="";
        platkeys=this.ltrim(platkeys);
		if(!platkeys){
			for(i=0;i<commoncitysTo.length;i++){
				str+=commoncitysTo[i][2]+","+commoncitysTo[i][1]+","+commoncitysTo[i][0]+","+commoncitysTo[i][4]+";";
			}			
			return str;
        }
		else{
		   platkeys=platkeys.toUpperCase();
			for(i=0;i<citys.length;i++){
			    if(this.getLeftStr(citys[i][0],platkeys.length).toUpperCase()==platkeys||
				   (citys[i][1].toUpperCase().indexOf(platkeys)!=-1)||
				   this.getLeftStr(citys[i][2],platkeys.length).toUpperCase()==platkeys||
				   this.getLeftStr(citys[i][3],platkeys.length).toUpperCase()==platkeys)
					str+=citys[i][2]+","+citys[i][1]+","+citys[i][0]+","+citys[i][4]+";";
			}		
			return str;
		}
		
	}

	/***************************************************getLeftStr************* *************************************/
    //函数功能：得到左边的字符串
    this.getLeftStr = function(str,len){

        if(isNaN(len)||len==null){
            len = str.length;
        }
        else{
            if(parseInt(len)<0||parseInt(len)>str.length){
                len = str.length;
             }
        }
        return str.substr(0,len);
    }

	/***************************************************parentIndexOf************* *************************************/
    //函数功能：得到子结点在父结点的位置
	function parentIndexOf(node){
	  for (var i=0; i<node.parentNode.childNodes.length; i++){
			if(node==node.parentNode.childNodes[i]){return i;}
	  }
   }


}