// JavaScript Document

	//格式化数字，可以把数字格式化输出
	//sample:  alert(formatNumber(0,''));                                 0
	//		   alert(formatNumber(1243324.2231,'#,###'));                 1,243,324
	//		   alert(formatNumber(162342.23423421,'#,###.000#'));         162,342.2342
	//		   alert(formatNumber(1244234234432,'#,###.00'));             1,244,234,234,432.00
	//		   alert(formatNumber('1242342.412342345','#,###.0#'));       1,242,342.41
function formatNumber(num,pattern){   
  var strarr = num?num.toString().split('.'):['0'];   
  var fmtarr = pattern?pattern.split('.'):[''];   
  var retstr='';   
  
  // 整数部分   
  var str = strarr[0];   
  var fmt = fmtarr[0];   
  var i = str.length-1;     
  var comma = false;   
  for(var f=fmt.length-1;f>=0;f--){   
    switch(fmt.substr(f,1)){   
      case '#':   
        if(i>=0 ) retstr = str.substr(i--,1) + retstr;   
        break;   
      case '0':   
        if(i>=0) retstr = str.substr(i--,1) + retstr;   
        else retstr = '0' + retstr;   
        break;   
      case ',':   
        comma = true;   
        retstr=','+retstr;   
        break;   
    }   
  }   
  if(i>=0){   
    if(comma){   
      var l = str.length;   
      for(;i>=0;i--){   
        retstr = str.substr(i,1) + retstr;   
        if(i>0 && ((l-i)%3)==0) retstr = ',' + retstr;    
      }   
    }   
    else retstr = str.substr(0,i+1) + retstr;   
  }   
  
  retstr = retstr+'.';   
  // 处理小数部分   
  str=strarr.length>1?strarr[1]:'';   
  fmt=fmtarr.length>1?fmtarr[1]:'';   
  i=0;   
  for(var f=0;f<fmt.length;f++){   
    switch(fmt.substr(f,1)){   
      case '#':   
        if(i<str.length) retstr+=str.substr(i++,1);   
        break;   
      case '0':   
        if(i<str.length) retstr+= str.substr(i++,1);   
        else retstr+='0';   
        break;   
    }   
  }   
  return retstr.replace(/^,+/,'').replace(/\.$/,'');   
} 

/***************************************************************************************/
//*********让firefox也支持innerText,(本来firefox用的是innerContent, ie 用的是innerText）
function isIE(){ //ie? 
if (window.navigator.userAgent.toLowerCase().indexOf("msie")>=1) 
    return true; 
else 
    return false; 
} 

if(!isIE()){ //firefox innerText define
    HTMLElement.prototype.__defineGetter__("innerText", 
    function(){
        var anyString = "";
        var childS = this.childNodes;
        for(var i=0; i<childS.length; i++) { 
            if(childS[i].nodeType==1)
                //anyString += childS[i].tagName=="BR" ? "/n" : childS[i].innerText;
                anyString += childS[i].innerText;
            else if(childS[i].nodeType==3)
                anyString += childS[i].nodeValue;
        }
        return anyString;
    } 
    ); 
    HTMLElement.prototype.__defineSetter__("innerText", 
    function(sText){
        this.textContent=sText; 
    } 
    ); 
}