function formatNumber(number,pattern){
	var str=number.toString();
	var strInt;
	var strFloat;
	var formatInt;
	var formatFloat;
	if(/\./g.test(pattern)){
		formatInt=pattern.split('.')[0];
		formatFloat=pattern.split('.')[1];
	}else{
		formatInt=pattern;
		formatFloat=null;
	}
	if(/\./g.test(str)){
		if(formatFloat!=null){
			var tempFloat=Math.round(parseFloat('0.'+str.split('.')[1])*Math.pow(10,formatFloat.length))/Math.pow(10,formatFloat.length);
			strInt=(Math.floor(number)+Math.floor(tempFloat)).toString();
			strFloat=/\./g.test(tempFloat.toString())?tempFloat.toString().split('.')[1]:'0';
		}else{
			strInt=Math.round(number).toString();
			strFloat='0';
		}
	}else{
		strInt=str;
		strFloat='0';
	}
	if(formatInt!=null){
		var outputInt='';
		var zero=formatInt.match(/0*$/)[0].length;
		var comma=null;
		if(/,/g.test(formatInt)){
			comma=formatInt.match(/,[^,]*/)[0].length-1;
		}
		var newReg=new RegExp('(\\d{'+comma+'})','g');

		if(strInt.length<zero){
			outputInt=new Array(zero+1).join('0')+strInt;
			outputInt=outputInt.substr(outputInt.length-zero,zero)
		}else{
			outputInt=strInt;
		}

		var outputInt=outputInt.substr(0,outputInt.length%comma)+outputInt.substring(outputInt.length%comma).replace(newReg,(comma!=null?',':'')+'$1')
		outputInt=outputInt.replace(/^,/,'');

		strInt=outputInt;
	}

	if(formatFloat!=null){
		var outputFloat='';
		var zero=formatFloat.match(/^0*/)[0].length;

		if(strFloat.length<zero){
			outputFloat=strFloat+new Array(zero+1).join('0');
			//outputFloat        = outputFloat.substring(0,formatFloat.length);
			var outputFloat1=outputFloat.substring(0,zero);
			var outputFloat2=outputFloat.substring(zero,formatFloat.length);
			outputFloat=outputFloat1+outputFloat2.replace(/0*$/,'');
		}else{
			outputFloat=strFloat.substring(0,formatFloat.length);
		}

		strFloat=outputFloat;
	}else{
		if(pattern!=''||(pattern==''&&strFloat=='0')){
			strFloat='';
		}
	}
	return strInt+(strFloat==''?'':'.'+strFloat);
}
function checkFloat(number){
	if(isNaN(number)){
		alert("请输入数字");
		return false;
	}else{
		return true;
	}
}
function checkInt(number){
	var re=new RegExp("^-?\\d+$");
	if(!re.test(number)){
		alert("请输入整形数");
		return false;
	}else{
		return true;
	}
}
function convertToWeight(pm,number){
    if(number.toString().indexOf(",")>=0){
       number = number.toString().replace(new RegExp(",","gm"),"");    
    }
	if(!checkFloat(number)){ return false; }
	var str=number.toString();
	var strFloat=str.substring(str.indexOf(".")+4,str.indexOf(".")+8);
	if(''==strFloat||null==strFloat||"000"==strFloat||"00"==strFloat||"0"==strFloat){
		return parseFloat(Math.round(number*1000)/1000).toFixed(3)
	}else{
		return parseFloat(Math.round(number*1000000)/1000000).toFixed(6);
	}
}

function convertToNumber(pm,number){
	if(!checkInt(number)){ return false; }
	return number;
}
function convertToPrice(number){
	if(!checkFloat(number)){ return false; }
	var str=number.toString();
	return parseFloat(Math.round(number*100)/100).toFixed(2);
}