/*----------------------------------------*\ 
      * 使用 js 标记高亮关键词
      * 参数说明: 
      * obj: 对象, 要进行高亮显示的html标签节点. 
      * hlWords: 字符串, 要进行高亮的关键词词, 使用 竖杠(|)或空格 分隔多个词 . 
      * cssClass: 字符串, 定义关键词突出显示风格的css伪类. 
      * 参考资料: javascript HTML DOM 高亮显示页面特定字词 By shawl.qiu
     \*----------------------------------------*/ 
    function MarkHighLight(obj,hlWords,cssClass){
    
         hlWords=AnalyzeHighLightWords(hlWords);

        if(obj==null || hlWords.length==0)
		 {
			return;
		 }
        if(cssClass==null)
             cssClass="highlight";
         MarkHighLightCore(obj,hlWords);
        
        //------------执行高亮标记的核心方法----------------------------
        function MarkHighLightCore(obj,keyWords){
            var re=new RegExp(keyWords, "i"); 
            
            for(var i=0; i<obj.childNodes.length; i++){
            
                var childObj=obj.childNodes[i];
                if(childObj.nodeType==3){
                    if(childObj.data.search(re)==-1)continue; 
                    var reResult=new RegExp("("+keyWords+")", "gi"); 
                    var objResult=document.createElement("span");
                     objResult.innerHTML=childObj.data.replace(reResult,"<span class='"+cssClass+"'>$1</span>");                     
                    if(childObj.data==objResult.childNodes[0].innerHTML) continue; 
                     obj.replaceChild(objResult,childObj);                                      
                 }else if(childObj.nodeType==1){
                     MarkHighLightCore(childObj,keyWords);
                 }
             }
         }        

        //----------分析关键词----------------------
        function AnalyzeHighLightWords(hlWords)
         {
            if(hlWords==null) return "";
             hlWords=hlWords.replace(/\s+/g,"|").replace(/\|+/g,"|");            
             hlWords=hlWords.replace(/(^\|*)|(\|*$)/g, "");
            
            if(hlWords.length==0) return "";
            var wordsArr=hlWords.split("|"); 
            
            if(wordsArr.length>1){
                var resultArr=BubbleSort(wordsArr);
                var result="";
                for(var i=0;i<resultArr.length;i++){
                     result=result+"|"+resultArr[i];
                 }                
                return result.replace(/(^\|*)|(\|*$)/g, "");

             }else{
                return hlWords;
             } 
         }    
        
        //-----利用冒泡排序法把长的关键词放前面-----    
        function BubbleSort(arr){        
            var temp, exchange;    
            for(var i=0;i<arr.length;i++){            
                 exchange=false;                
                for(var j=arr.length-2;j>=i;j--){                
                    if((arr[j+1].length)>(arr[j]).length){                    
                         temp=arr[j+1]; arr[j+1]=arr[j]; arr[j]=temp;
                         exchange=true;
                     }
                 }                
                if(!exchange)break;
             }
            return arr;            
         }
    
     }
    //----------------end------------------------ 

function htmlHighLight(obj, rea)   
{  
	if (rea!=null && rea!='')   
	{   
		var arrayofrea = rea.split(" "); 
		var bb = '<font color="red">$1</font>';   
		var el = document.getElementsByName(obj);
		for (var ii=0; ii<el.length; ii++)
		{
			var thisstr = el[ii].innerHTML;
			for (var i=0; i<arrayofrea.length; i++)   
			{   
				if (arrayofrea[i]!=null && arrayofrea[i]!='')   
				{   
					re = new RegExp("("+arrayofrea[i]+")", "gi"); 
					thisstr = thisstr.replace(re, bb); 
				}   
			}
			el[ii].innerHTML = thisstr; 
		}
	}  
}

////输入相关的东东
function $(id)
{ 
	return document.getElementById(id);
}

isUndef  = function(a){ return typeof a == "undefined";}
String.prototype.trim = function()
{
	return this.replace(new RegExp("(^[\\s]*)|([\\s]*$)", "g"), "");	
};

/*输入字符还放在原来的输入框内*/
function fl()
{
	var s=location.href;
	if(s.indexOf("q=")!=-1)
	{
		try
		{
			var q=(s.match(new RegExp("q=[^&$#]*")).toString());
			$("s").value=q;
		}
		catch(e){}
	}
}

function check(sType)
{
	var keywords = escape($("s").value.trim());
	var url = "";
   if(keywords.length > 0)
   { 
      url = "/soft.aspx?q=" + keywords;
   } 		
   else
   {
	  url ="/default.htm"
   }
	top.location = url;
}
 
//Google统计相关的
//document.write(unescape("%3Cscript src='http://www.google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));