var maxResults = 10;	
var ignoreKeys = "";

String.prototype.trim = function() {
 return this.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
}

/***********************************************
 * Prototype for populating data
 ***********************************************/
function get_data() {}

/***********************************************
 * Find search keys in data set
 * typedata data array name eg: no param , fund , tbond ,  ebond 
 * get_data(), get_funddata()/fund , get_tbonddata()/tbond,get_ebonddata()/ebond can null defauls get_data()
 ***********************************************/
function suggest(keywords,key,object,typedata)
{	
	var results = document.getElementById("ccl_results");
	var terms;
	try
	{
	if(keywords != "")
	{
    if(typedata)
    {
    	 try
    	 {
    	 	typedata=typedata.trim();
    	  eval('terms = get_'+typedata+'data();');
    	 }catch(e)
  		 {
  		 	  terms = get_data(); 
  		 }
    }
    else
		   terms = get_data(); // sort? -- data should be alphabetical for best results
		
		var ul = document.createElement("ul");
		var li;
		var a;
		
		if ((key.keyCode == '40' || key.keyCode == '38' || key.keyCode == '13'))
		{
		  	navigate(key.keyCode,object);
		}
		else
		{
			
			var kIndex = -1;
			var tIndex = 0;
			var activity;
			for(var i = 0; i < terms.length; i++)
			{	
				activity = terms[i].val+"["+terms[i].val2+"]";
				kIndex = activity.toLowerCase().indexOf(keywords.toLowerCase());//line 3 to 2 忽略大小写敏感
				if(tIndex>maxResults)break;
				if(kIndex >= 0) 
				{
					tIndex = tIndex+1;
					li = document.createElement("li");
					
					// setup the link to populate the search box
					a = document.createElement("a");
					a.href = "javascript://"; 
					
					a.setAttribute("rel",terms[i].val);
					a.setAttribute("rev", getRank(activity.toLowerCase(), keywords.toLowerCase()));
					a.setAttribute("ref",terms[i].val2);
					
					//if(!document.all) a.setAttribute("onclick","populate(this,object);");
					if(!document.all) a.onclick = function() { populate(this,object); }
					else a.onclick = function() {populate(this,object); }
					
					
					
					a.appendChild(document.createTextNode(""));
					
					if(keywords.length == 1) 
					{
						var kws = activity.toLowerCase().split(" ");
						

						var firstWord = 0;
						
						for(var j = 0; j < kws.length; j++)
						{
						
								
								ul.appendChild(li);
								
								if(j != 0) {
									kIndex = activity.toLowerCase().indexOf(" " + keywords.toLowerCase());
									kIndex++;
								}
								
								break;
						
						}
					}
					else if(keywords.length > 1) {
						ul.appendChild(li);
					}
					else continue;

					
					var before = activity.substring(0,kIndex);
					var after = activity.substring(keywords.length + kIndex, activity.length);
	
					a.innerHTML = before + "<strong>" + keywords.toLowerCase() + "</strong>" + after;
	
					li.appendChild(a);

				}
			}		
			
			if(results.hasChildNodes()) results.removeChild(results.firstChild);
		
			var s = document.getElementById(object.id);
			
			var xy = findPos(s);

			results.style.left = xy[0] + "px";
			results.style.top = xy[1] + s.offsetHeight + "px";
			//results.style.width = s.offsetWidth + "px";
			results.style.width = getResultsWidth() + "px";
			
			
			if(ul.hasChildNodes()) {
				results.appendChild(filterResults(ul));
				
				if(results.firstChild.childNodes.length == 1) results.firstChild.firstChild.getElementsByTagName("a")[0].className = "hover";
				
			}

		}
	}
	else
	{
		if(results.hasChildNodes()) results.removeChild(results.firstChild);
	}
  }catch(e)
  {
  	terms = null;
    results = null;
  }
	terms = null;
  results = null;
}


function getRank(activity, keywords)
{
	var ret = -1;
	var kIndex = activity.indexOf(keywords);
	
	ret = (activity.charAt(kIndex - 1) == " ") ? kIndex : (200*kIndex);
	
	return ret;	
}

function getResultsWidth()
{
	return '120';
}

function filterResults(s)
{
	var sorted = new Array();
	try
	{
	for(var i = 0; i < s.childNodes.length; i++)
	{
		sorted.push(s.childNodes[i]);
	}
	
	var ul = document.createElement("ul");
	//var lis = sorted.sort(sortIndex);
	var lis = sorted;
	
	for(var j = 0; j < lis.length; j++)
	{
		if(j < maxResults) ul.appendChild(lis[j]);
		else break;
	}
	
  }catch(e)
  {
  	sorted = null;
  }
  sorted = null;
	return ul;
	
}

function sortIndex(a,b)
{
	
	return (a.getElementsByTagName("a")[0].rev - b.getElementsByTagName("a")[0].rev);
}



function navigate(key,object)
{
  
  //object.value=key;
  
	var results = document.getElementById("ccl_results");
	var keyIndex = document.getElementById("keyIndex");
	
	var i = keyIndex.value;

	if(i == "" || !i) i = -1;
	else i = parseFloat(i); 

	
	var ul = results.childNodes[0];
	if(ul)
	{
		if(key == '40') // DOWN
		{
			
			i++;
			if(i > ul.childNodes.length-1) i = ul.childNodes.length-1;
			
			keyIndex.value = i;
			 
			try {
				ul.childNodes[i].getElementsByTagName("a")[0].className = "hover";
				//object.value = ul.childNodes[i].getElementsByTagName("a")[0].innerHTML.toLowerCase().replace("<strong>","").replace("</strong>","").substr(0,6);//this kaiguan1
				
				object.value = fCodeTip(ul.childNodes[i].getElementsByTagName("a")[0].innerHTML);
				ul.childNodes[i-1].getElementsByTagName("a")[0].className = "";
			}
			catch(e) {}
			
		}
		else if(key == '38') // UP
		{

			i--;
			if(i <= 0) i = 0;
			
			keyIndex.value = i;
			
			try {
				ul.childNodes[i].getElementsByTagName("a")[0].className = "hover";
				//object.value = ul.childNodes[i].getElementsByTagName("a")[0].innerHTML.toLowerCase().replace("<strong>","").replace("</strong>","").substr(0,6);//this kaiguan2
				object.value = fCodeTip(ul.childNodes[i].getElementsByTagName("a")[0].innerHTML);
				ul.childNodes[i+1].getElementsByTagName("a")[0].className = "";
			}
			catch(e) {}
			
		}
		else if(key == '13' || key == '9') // ENTER/TAB -- POPULATE
		{
			if(i == -1) i = 0;
			populate(ul.childNodes[i].getElementsByTagName("a")[0],object);
		}
		else return;	
	}
}

/***********************************************
 * Allow for using tab onkeydown
 ***********************************************/
function tabfix(keywords, key,object)
{
	if(key.keyCode == '9') {
		navigate(key.keyCode,object);
		return false;
	}
	else return true;
}

/***********************************************
 * Populate hidden fields via onclick on 'Enter'
 ***********************************************/
function populate(a,object)
{
  
	var ul = document.getElementById("ccl_results").childNodes[0];
	
	try {
		var pick = a.innerHTML.replace("<strong>","").replace("</strong>","");
	
		// IE6 converts HTML elements to uppercase -- could be done with RegExp
		if(document.all) pick = a.innerHTML.replace("<STRONG>","").replace("</STRONG>","");
		//document.getElementById(object.id).value = a.getAttribute("ref");//加入值
		
		document.getElementById(object.id).value = a.getAttribute("rel");
	}
	catch(e) {}
	
	clearSuggest();
}


function findPos(obj) 
{
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}

/***********************************************
 * Helper to preserve onclick on suggestions
 ***********************************************/
function clearSuggest()
{
	// need a timeout so the onclick event is captured before results are hidden
	setTimeout("hideSuggest()",200);  //time set选择时间设置
}

/***********************************************
 * Hide the suggestions list and remove from DOM
 ***********************************************/
function hideSuggest()
{
	var results = document.getElementById("ccl_results");
	if(results.hasChildNodes()) results.removeChild(results.firstChild);
	
	document.getElementById("keyIndex").value = "-1"; // reset the suggestions index
}

function fCodeTip(ftext)
{
	var ft = ftext.toLowerCase().replace("<strong>","").replace("</strong>","");
	if(ft.indexOf("[")==-1)
	  return ft;
	else
		return ft.substring(0,ft.indexOf("["));
	
}
document.write('<input  type="text" id="keyIndex" style="display:none"/>');
document.write('<div id="ccl_results" style="z-index: 99999" ></div>');