/**
 * 从静态页面的头部接受参数 求出此参数的值
 */
function request(paras){    var url=location.href;    var paraString = url.substring(url.indexOf("?")+1,url.length).split("&");    var paraObj = {}    for (i=0; j=paraString[i]; i++){        paraObj[j.substring(0,j.indexOf("=")).toLowerCase()] = j.substring(j.indexOf("=")+1,j.length);    }    var returnValue = paraObj[paras.toLowerCase()];    if(typeof(returnValue)=="undefined"){        return "";    }else{        return returnValue;    }}
/**
 * 用来给一个URL地址添加一个参数
 */
function addParam(url,param,value)
{
	if (url.indexOf("?")!=-1)
	{
	   return url+"&"+param+"="+value;
	}else{
	   return url+"?"+param+"="+value;
	}
}
/**
 * 字符串截取
 */
function subString(str, len, hasDot){    var newLength = 0;    var newStr = "";    var chineseRegex = /[^\x00-\xff]/g;    var singleChar = "";    var strLength = str.replace(chineseRegex,"**").length;    for(var i = 0;i < strLength;i++)    {        singleChar = str.charAt(i).toString();        if(singleChar.match(chineseRegex) != null)        {            newLength += 2;        }        else        {            newLength++;        }        if(newLength > len)        {            break;        }        newStr += singleChar;    }    if(hasDot && strLength > len)    {        newStr += "...";    }    return newStr;}/**
 * 字符串替换
 */
function ReplaceString(s,OldPattern,NewPattern)
{ var i;
var s2 = s;
var len = OldPattern.length;
while(s2.indexOf(OldPattern)>0)	{ 		i = s2.indexOf(OldPattern);
		s2 = s2.substring(0, i) + NewPattern + s2.substring(i + len, s2.length);
	} return s2;
}
/**
 * 生成200像素的条形图加%比
 */
function getcolumn(total,now,uuid){
	var rString = "<span style='height:25px;width:200px;background:#f3f3f3'><span style='height:25px;width:";
	rString+=(now*200/total);rString+="px;";rString+="background:#";rString+=uuid.substr(0, 6);rString+=";display:block;'></span></span>";
	return rString;
}
/**
 * author: wangzht
 * 判断是否是最新文章
 * pubdate:文章的发布日期
 * dayNum:几天之内的算最新文章
 */
function isNew(pubdate, dayNum) {
	var myDate = new Date();
	var year = myDate.getFullYear();
	var month = myDate.getMonth() + 1;
	var day = myDate.getDate();
	var sysdate = year + "/" + month + "/" + day;
	pubdate = pubdate.replace(/-/g,"/");
	var d1 = new Date(sysdate);
	var d2 = new Date(pubdate);
	var lack = (d1.getTime() - d2.getTime())/(1000*60*60*24);
	if(lack<=dayNum) {
		return true;
	}
	return false;
}
function jsImport(url,success){
	 var i;
	 var ss=document.getElementsByTagName("script");
	 for(i=0;i<ss.length;i++){
	    if(ss[i].src&&ss[i].src.indexOf(url)!=-1){
	      return ;
	    }	 }
	 var domScript=document.createElement("script");
	 domScript.type="text/javascript";
	 domScript.src=url;
	 success=success||function(){};
		 domScript.onload=domScript.onreadystatechange=function(){
		 if(!this.readyState||'loaded'===this.readyState||'complete'===this.readyState){
			 success();
			 this.onload=this.onreadystatechange=null;
			 this.parentNode.removeChild(this);
		 }
	 }
		 var head=document.getElementsByTagName("head")[0];
	 head.appendChild(domScript);
	}