
<!--
/********www.im-calvin.com*************/
/**********version:1.0****************/



function chkLen(strObj,strName,strLen_min,strLen_max)//检测长度
{
	ckstr=Trim(strObj.value);
	if (!(ckstr.length>=strLen_min && ckstr.length<=strLen_max))
	{
		errormsg += strName+"长度必须在"+strLen_min+"至"+strLen_max+"之间。\n"
	}
}
function chkLen2(strObj,strName,strLen)//检测长度
{
	ckstr=Trim(strObj.value);
	if (ckstr.length>strLen)
	{
		errormsg += strName+"长度不符合要求\n"
	}
}

function Trim(str){ //去除str变量首尾的空格。
trimlen = 0
	for(i=0;i<str.length;i++){
		if (str.charAt(i)!=" "){
		break;
		}else{
		trimlen +=1 		
		}
	}
	str = str.substring(trimlen);
	trimlen = 0
	strlen = str.length-1
	for (j=strlen;j>0;j--){
		if (str.charAt(j)!=" "){		
		break;
		}else{
		trimlen +=1 
		}
	}	
	strlen = str.length-trimlen
	str = str.substring(0,strlen);
return str;
}

function checkEmpty(cheobj){   //是否为空
cheVal = Trim(cheobj.value)
if (cheVal == null||Trim(cheVal)==""){
	return false;
		}
		return true;
	}

function checkNumber(cheobj){   //判别是否纯数字
cheVal = Trim(cheobj.value)
 var re = /^(\d)+$/
	if (re.test(cheVal)){
	return true;
	}else{
	return false;
	}
}

function checkFloating(cheobj){   //判别是否浮点数
			cheVal = Trim(cheobj.value)
			 var re = /^-?(\d)+(\.?(\d)+)?$/
				if (re.test(cheVal)){
				return true;
				}else{
				return false;
				}
			}

function isEmpty(cheobj,msgname){   //是否为空
cheVal = Trim(cheobj.value)
if (cheVal == null||Trim(cheVal)==""){
	errormsg += "-\""+msgname+"\"不能为空。\n"
		}
		return true;
	}
	


function isEmail(cheobj,msgname){
	cheVal = Trim(cheobj.value)
var re = /^[\w\._-]+@([0-9a-z][\w-]+\.)+[a-zA-Z]{2,3}$/i
	if (re.test(cheVal)){
	return true;
	}else{
	errormsg += "-\""+msgname+"\"必须是正确的E-mail格式。\n";
	}
}

function isUrl(cheobj,msgname){
var re = /^[a-zA-Z]{3,4}:\/\/((\w)+\.[\w\._\/-]*)[=&\?\S*]*$/
var re1 = /^[a-zA-Z]{3,4}:\/\/$/
cheVal = Trim(cheobj.value)
if (re.test(cheVal)){
	return true;
	}else{
	errormsg += "-\""+msgname+"\"必须是正确的URl格式。\n";
		if (!re1.test(cheVal)){
		errormsg += "-\""+msgname+"-网址前请加上\'http:\/\/\'\n" 
		
		}		
	}
}

function isNumber(cheobj,msgname){   //判别是否纯数字
cheVal = Trim(cheobj.value)
 var re = /^(\d)+$/
	if (re.test(cheVal)){
	return true;
	}else{
	errormsg += "-\""+msgname+"\"必须是数字。\n"
	}
}

function isInteger(cheobj,msgname){   //判别是否整数
cheVal = Trim(cheobj.value)
 var re = /^-?(\d)+$/
	if (re.test(cheVal)){
	return true;
	}else{
	errormsg += "-\""+msgname+"\"必须是数字。\n"
	}
}

function isFloating(cheobj,msgname){   //判别是否浮点数
cheVal = Trim(cheobj.value)
 var re = /^-?(\d)+(\.?(\d)+)?$/
	if (re.test(cheVal)){
	return true;
	}else{
	errormsg += "-\""+msgname+"\"必须是数字。\n"
	}
}

function isTel(cheobj,msgname){   //判别是否电话号码格式！
cheVal = Trim(cheobj.value)
var re = /^[\d\.\*\(\)-]*(\d){4,15}$/
	if (re.test(cheVal)){
	return true;
	}else{
	errormsg += "-\""+msgname+"\"必须是正确的电话格式。\n"
	}
}

function isDate(cheVal){   //判断是否是日期格式
//注意：日期的格式中，年份必须是4位！
cheVal = new  String(cheVal)
var re = /^(9)*$/
//cheVal.replace(/^[\*\/\,\-\#]$/,"-")
cheVal2 = cheVal.replace(re,"-")
alert(cheVal2)


/*cheArray = new Array("-",",","/","&")
for (i=0;i<cheArray.length;i++)	{
	cheStart = 0;
	cheB = 0;	
	do{		
		var cheStart = cheVal.indexOf(cheArray[i],cheStart);
		cheStart += 1;
		cheB += 1;
	if (cheB>2) return  false	
	}while(cheStart != -1)
		for (i=0;i<cheB;i++){
		cheVal = cheVal.replace(cheArray[i],"-")
		}
}
alert(cheVal);*/
}

function adv_format(value,num) //四舍五入
{
var a_str = formatnumber(value,num);
var a_int = parseFloat(a_str);
if (value.toString().length>a_str.length)
{
var b_str = value.toString().substring(a_str.length,a_str.length+1)
var b_int = parseFloat(b_str);
if (b_int<5)
{
return a_str
}
else
{
var bonus_str,bonus_int;
if (num==0)
{
bonus_int = 1;
}
else
{
bonus_str = "0."
for (var i=1; i<num; i++)
bonus_str+="0";
bonus_str+="1";
bonus_int = parseFloat(bonus_str);
}
a_str = formatnumber(a_int + bonus_int, num)
}
}
return a_str
}

function formatnumber(value,num) //直接去尾
{
var a,b,c,i
a = value.toString();
b = a.indexOf('.');
c = a.length;
if (num==0)
{
if (b!=-1)
a = a.substring(0,b);
}
else
{
if (b==-1)
{
a = a + ".";
for (i=1;i<=num;i++)
a = a + "0";
}
else
{
a = a.substring(0,b+num+1);
for (i=c;i<=b+num;i++)
a = a + "0";
}
}
return a
}  

 function setCurr(curr) {
        SetCookie("currT", curr);
    }