/**
 * 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;
}