//============================================>>>>  身份证验证  <<<<============================================
function isIdCardNo(num)
{
	//if (isNaN(num)) {alert("输入的不是数字！"); return false;}
	//if (num.substr(0,2) != 37) {alert("输入的身份证号不合法！");return false;}
	var len = num.length, re; 
	if (len == 15)
	{
        if (isNaN(num)) {alert("输入的身份证号不合法！"); return false;}
		re = new RegExp(/^(\d{6})()?(\d{2})(\d{2})(\d{2})(\d{3})$/);
	}
	else if (len == 18)
	{
		if (isNaN(num.substr(0,17))) {alert("输入的身份证号不合法！"); return false;}
          	re = new RegExp(/^(\d{6})()?(\d{4})(\d{2})(\d{2})(\d{3})(\d)$/);
		}
	else 
	{
		alert("输入的数字位数不对！"); 
		return false;
	}
	var a = num.match(re);
	if (a != null)
	{
		if (len==15)
		{
			var D = new Date("19"+a[3]+"/"+a[4]+"/"+a[5]);
			var B = D.getYear()==a[3]&&(D.getMonth()+1)==a[4]&&D.getDate()==a[5];
		}
		else
		{
			var D = new Date(a[3]+"/"+a[4]+"/"+a[5]);
			var B = D.getFullYear()==a[3]&&(D.getMonth()+1)==a[4]&&D.getDate()==a[5];
		}
		if (!B) {alert("输入的身份证号 "+ a[0] +" 里出生日期不对！"); return false;}
	}
	return true;
}
//============================================>>>>  身份证验证  <<<<============================================