function changeChineseNumber(num)  
	{  
    if (isNaN(num) || num > Math.pow(10, 12)) return ""  
    var cn = "零壹贰叁肆伍陆柒捌玖"  
    var unit = new Array("拾百千", "分角")  
    var unit1= new Array("万亿", "")  
    var numArray = num.toString().split(".")  
    var start = new Array(numArray[0].length-1, 2)  
    function toChinese(num, index)  
    {  
        var num = num.replace(/\d/g, function ($1)  
        {  
            return cn.charAt($1)+unit[index].charAt(start--%4 ? start%4 : -1)  
        })  
        return num  
    }  
    for (var i=0; i<numArray.length; i++)  
    {  
        var tmp = ""  
        for (var j=0; j*4<numArray[i].length; j++)  
        {  
        var strIndex = numArray[i].length-(j+1)*4  
        var str = numArray[i].substring(strIndex, strIndex+4)  
        var start = i ? 2 : str.length-1  
        var tmp1 = toChinese(str, i)  
        tmp1 = tmp1.replace(/(零.)+/g, "零").replace(/零+$/, "")  
        tmp1 = tmp1.replace(/^壹拾/, "拾")  
        tmp = (tmp1+unit1[i].charAt(j-1)) + tmp  
        }  
        numArray[i] = tmp  
    }  
    numArray[1] = numArray[1] ? numArray[1] : ""  
    numArray[0] = numArray[0] ? numArray[0]+"元" : numArray[0], numArray[1] = numArray[1].replace(/^零+/, "")  
    numArray[1] = numArray[1].match(/分/) ? numArray[1] : numArray[1]+"整"  
    return numArray[0]+numArray[1]  
	}  

js 将页面小写金额转换成大写金额