/**
文本框只能输入数字
**/
function onKeyPressBlockNumbers(e) {
	var key = window.event ? e.keyCode : e.which;
	var keychar = String.fromCharCode(key);
	reg = /\d/;
	return reg.test(keychar);
}
  
  //判断是否为数字
function isInt(str) {
	var flag = true;
	for (var i = 0; i < str.length; i++) {
		if (isDigit(str.substring(i, i + 1)) == false) {
			flag = false;
			break;
		}
	}
	return (flag);
}
//判断是否为数值
function isDigit(str) {
	var theMark = "0123456789";
	if (theMark.indexOf(str) == -1) {
		return (false);
	}
	return (true);
}
  //判断是否为货币
function isMoney(str) {
	var flag = true;
	for (var i = 0; i < str.length; i++) {
		if (isXiaoShuo(str.substring(i, i + 1)) == false) {
			flag = false;
			break;
		}
	}
	return (flag);
}
//判断是否为小数和负数
function isXiaoShuo(str) {
	var theMark = "0123456789.-";
	if (theMark.indexOf(str) == -1) {
		return (false);
	}
	return (true);
}
function checkMoney(ebank_money, maxMoney) {
	if (!isMoney(ebank_money.value)) {
		alert("\u8d27\u5e01\u53ea\u80fd\u662f\u6570\u5b57");
		ebank_money.value = "";
		return false;
	} else {
		if (ebank_money.value > maxMoney) {
			alert("\u4f59\u989d\u4e0d\u8db3\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165");
			ebank_money.value = "";
			return false;
		}
	}
}                   

function checkMoney_en(ebank_money, maxMoney) {
	if (!isMoney(ebank_money.value)) {
		alert("Please input number");
		ebank_money.value = "";
		return false;
	} else {
		if (ebank_money.value > maxMoney) {
			alert("Your ebank money is not enough");
			ebank_money.value = "";
			return false;
		}
	}
}                   


//判断是否为邮件                                                                                         
function isEmail(str) {
	var flag = true;
	if (isEmpty(str) || str.indexOf("@") == -1 || str.indexOf(".") == -1) {
		flag = false;
	}
	return (flag);
}                                                                                    
                                                                                     
//判断是否为电话                                                                     
function tel(str) {
	var theMark = "0123456789()-";
	if (isEmpty(str)) {
		return (false);
	} else {
		if (theMark.indexOf(str) == -1) {
			return (false);
		}
	}
	return (true);
}                                                                                    
//判断是否为电话号码                                                                 
function isTel(str) {
	var flag = true;
	if (isEmpty(str)) {
		flag = false;
	} else {
		for (var i = 0; i < str.length; i++) {
			if (tel(str.substring(i, i + 1)) == false) {
				flag = false;
				break;
			}
		}
	}
	return (flag);
}                                                                                    
//去掉空格                                                                           
function Trim(str) {
	if (str.charAt(0) == " ") {
		str = str.slice(1);
		str = Trim(str);
	}
	return str;
}                                                                                    
                                                                                     
//判断是否是空                                                                       
function isEmpty(str) {
	if (str == null || Trim(str) == "") {
		return true;
	} else {
		return false;
	}
}                                                                                    
//获得单选按钮的值                                                                               
function getRadioValue(RadioName) {
	var obj;
	obj = document.getElementsByName(RadioName);
	if (obj != null) {
		var i;
		for (i = 0; i < obj.length; i++) {
			if (obj[i].checked) {
				return obj[i].value;
			}
		}
	}
	return null;
}
//根据时区显示时间，北京时区为8.
function showDateTime(vlaue) {
	var offset = vlaue;
	d = new Date();
	utc = d.getTime() + (d.getTimezoneOffset() * 60000);
	nd = new Date(utc + (3600000 * offset));
	return nd.toLocaleString();
}