js 身份证号+滚动条

<script type="text/javascript">  
// 说明：用 Javascript 获取滚动条位置等信息  
function getScroll()  {     
	var t, l, w, h;          
	if (document.documentElement && document.documentElement.scrollTop) {         	
		t = document.documentElement.scrollTop;         
		l = document.documentElement.scrollLeft;         
		w = document.documentElement.scrollWidth;         
		h = document.documentElement.scrollHeight;     
	} else if (document.body) {         
		t = document.body.scrollTop;         
		l = document.body.scrollLeft;         
		w = document.body.scrollWidth;         
		h = document.body.scrollHeight;     
	}     
	return { t: t, l: l, w: w, h: h }; 
}  
</script> 
//*****************************************************************************

<script type="text/javascript">  
// 说明 ：用 Javascript 实现锚点(Anchor)间平滑跳转 
// 网址 ：http://www.codebit.cn 
// 转换为数字 
function intval(v) {     
	v = parseInt(v);    
	return isNaN(v) ? 0 : v; 
}  
// 获取元素信息 
function getPos(e) {     
	var l = 0;     var t  = 0;     
	var w = intval(e.style.width);    
	var h = intval(e.style.height);     
	var wb = e.offsetWidth;     
	var hb = e.offsetHeight;     
	while (e.offsetParent){         
		l += e.offsetLeft + (e.currentStyle?intval(e.currentStyle.borderLeftWidth):0);         
		t += e.offsetTop  + (e.currentStyle?intval(e.currentStyle.borderTopWidth):0);         
		e = e.offsetParent;     
	}     
	l += e.offsetLeft + (e.currentStyle?intval(e.currentStyle.borderLeftWidth):0);     
	t  += e.offsetTop  + (e.currentStyle?intval(e.currentStyle.borderTopWidth):0);     
	return {x:l, y:t, w:w, h:h, wb:wb, hb:hb}; 
}  
	
// 获取滚动条信息 
function getScroll()  {     
	var t, l, w, h;          
	if (document.documentElement && document.documentElement.scrollTop) {         
		t = document.documentElement.scrollTop;         
		l = document.documentElement.scrollLeft;         
		w = document.documentElement.scrollWidth;         
		h = document.documentElement.scrollHeight;     
	} else if (document.body) {         
		t = document.body.scrollTop;         
		l = document.body.scrollLeft;         
		w = document.body.scrollWidth;         
		h = document.body.scrollHeight;     
	}     
	return { t: t, l: l, w: w, h: h }; 
}  

// 锚点(Anchor)间平滑跳转 
function scroller(el, duration) {     
	if(typeof el != 'object') { 
		el = document.getElementById(el); 
	}      
	if(!el) return;      
	var z = this;     
	z.el = el;     
	z.p = getPos(el);     
	z.s = getScroll();     
	z.clear = function(){
		window.clearInterval(z.timer);
		z.timer=null
	};     
	z.t=(new Date).getTime();      
	z.step = function(){         
		var t = (new Date).getTime();         
		var p = (t - z.t) / duration;         
		if (t >= duration + z.t) {             
			z.clear();             
			window.setTimeout(function(){z.scroll(z.p.y, z.p.x)},13);         
		} else {             
			st = ((-Math.cos(p*Math.PI)/2) + 0.5) * (z.p.y-z.s.t) + z.s.t; 
            sl = ((-Math.cos(p*Math.PI)/2) + 0.5) * (z.p.x-z.s.l) + z.s.l;             
			z.scroll(st, sl);        
		}     
	};     
	z.scroll = function (t, l){window.scrollTo(l, t)};     
	z.timer = window.setInterval(function(){z.step();},13); 
}  
</script> 

调用方法：
scroller(el, duration)

el : 目标锚点 ID
duration : 持续时间，以毫秒为单位，越小越快

//***************************************
function checkIdcard(idcard){ 
				var Errors=new Array("","身份证号码位数不对!","身份证号码出生日期超出范围或含有非法字符!","身份证号码校验错误!","身份证地区非法!" ); 
				var area={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"}; 
			 	var Y, JYM;
				var S, M;
				var idcard_array = new Array();
				idcard_array = idcard.split(""); 
				//地区检验 
				if (area[parseInt(idcard.substr(0, 2))] == null) {
					return Errors[4];
				} 
				//身份号码位数及格式检验 
				var year = parseInt(idcard.substr(6, 2));
				switch (idcard.length) {
				  case 15:
					if ((year + 1900) % 4 == 0 || ((year + 1900) % 100 == 0 && (year + 1900) % 4 == 0)) {
						ereg = /^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$/;//测试出生日期的合法性 
					} else {
						ereg = /^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$/;//测试出生日期的合法性 
					}
					if (ereg.test(idcard)) {
						return Errors[0];
					} else {
						return Errors[2];
					}
					break;
				  case 18: 
					//18位身份号码检测
					//出生日期的合法性检查
					if (year % 4 == 0 || (year % 100 == 0 && year % 4 == 0)) {
						ereg = /^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]$/;//闰年出生日期的合法性正则表达式 
					} else {
						ereg = /^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$/;//平年出生日期的合法性正则表达式 
					}
					if (ereg.test(idcard)) {//测试出生日期的合法性
						//计算校验位 
						S = (parseInt(idcard_array[0]) + parseInt(idcard_array[10])) * 7 + (parseInt(idcard_array[1]) + parseInt(idcard_array[11])) * 9 + (parseInt(idcard_array[2]) + parseInt(idcard_array[12])) * 10 + (parseInt(idcard_array[3]) + parseInt(idcard_array[13])) * 5 + (parseInt(idcard_array[4]) + parseInt(idcard_array[14])) * 8 + (parseInt(idcard_array[5]) + parseInt(idcard_array[15])) * 4 + (parseInt(idcard_array[6]) + parseInt(idcard_array[16])) * 2 + parseInt(idcard_array[7]) * 1 + parseInt(idcard_array[8]) * 6 + parseInt(idcard_array[9]) * 3;
						Y = S % 11;
						M = "F";
						JYM = "10X98765432";
						M = JYM.substr(Y, 1);//判断校验位  //检测ID的校验位 
						if (M == idcard_array[17]) {
							return Errors[0];
						} else {
							return Errors[3];
						}
					} else {
						return Errors[2];
					}
					break;
				  default:
					return Errors[1];
					break;
				}
				return "";
			}