表单输入日期选择的特效-heycode-嘿！代码。a

<html>
<title>非常实用的选择输入日期的特效dwww.cn</title>
<meta http-equiv=”content-type” content=”text/html; charset=gb2312″ />

<head>
<script language=”javascript”>
<!–

//==================================================== 参数设定部分 =======================================================
var bMoveable=true; //设置日历是否可以拖动
var _VersionInfo=”Version:2.0″ //版本信息

//==================================================== WEB 页面显示部分 =====================================================
var strFrame; //存放日历层的HTML代码
document.writeln(‘<iframe bgcolor=”#000000″ id=webjxDateLayer Author=wayx frameborder=0 style=”position: absolute; width: 186; height: 247; z-index: 9998; display: none”></iframe>’);
strFrame=’<style>’;
strFrame+=’INPUT.button{BORDER-RIGHT: #B3C9E1 1px solid;BORDER-TOP: #B3C9E1 1px solid;BORDER-LEFT: #B3C9E1 1px solid;’;
strFrame+=’BORDER-BOTTOM: #ff9900 1px solid;BACKGROUND-COLOR: #EDF2F8;font-family:宋体;}’;
strFrame+=’TD{FONT-SIZE: 9pt;font-family:宋体;}’;
strFrame+=’</style>’;
strFrame+=’<scr’ + ‘ipt>’;
strFrame+=’var datelayerx,datelayery; /*存放日历控件的鼠标位置*/’;
strFrame+=’var bDrag; /*标记是否开始拖动*/’;
strFrame+=’function document.onmousemove() /*在鼠标移动事件中，如果开始拖动日历，则移动日历*/’;
strFrame+=’{if(bDrag && window.event.button==1)’;
strFrame+=’ {var DateLayer=parent.document.all.webjxDateLayer.style;’;
strFrame+=’ DateLayer.posLeft += window.event.clientX-datelayerx;/*由于每次移动以后鼠标位置都恢复为初始的位置，因此写法与div中不同*/’;
strFrame+=’ DateLayer.posTop += window.event.clientY-datelayery;}}’;
strFrame+=’function DragStart() /*开始日历拖动*/’;
strFrame+=’{var DateLayer=parent.document.all.webjxDateLayer.style;’;
strFrame+=’ datelayerx=window.event.clientX;’;
strFrame+=’ datelayery=window.event.clientY;’;
strFrame+=’ bDrag=true;}’;
strFrame+=’function DragEnd(){ /*结束日历拖动*/’;
strFrame+=’ bDrag=false;}’;
strFrame+=’</scr’ + ‘ipt>’;
strFrame+=’<div style=”z-index:9999;position: absolute; left:0; top:0;” onselectstart=”return false”><span id=tmpSelectYearLayer Author=wayx style=”z-index: 9999;position: absolute;top: 3; left: 19;display: none”></span>’;
strFrame+=’<span id=tmpSelectMonthLayer Author=wayx style=”z-index: 9999;position: absolute;top: 3; left: 78;display: none”></span>’;
strFrame+=’<table style=”FILTER:dropshadow(color=#EDEDF8,offx=3.3,offy=3.3,positive=1);” cellSpacing=”0″ cellPadding=”0″ width=”100%” border=”0″><tr><td>’;
// 控件边框颜色
strFrame+=’<table border=1 cellspacing=0 cellpadding=0 width=182 height=160 bgColor=”#FFFFFF” borderColorLight=#7197CA borderColorDark=”#ffffff” Author=”wayx”>’;
strFrame+=’ <tr Author=”wayx”><td width=182 height=23 Author=”wayx” bgcolor=#FFFFFF><table border=0 cellspacing=1 cellpadding=0 width=180 Author=”wayx” height=23>’;
strFrame+=’ <tr align=center Author=”wayx”><td width=16 align=center bgcolor=#B6CAE4 style=”font-size:12px;cursor: hand;color: #ffffff” ‘;
strFrame+=’ onclick=”parent.webjxPrevM()” title=”向前翻 1 月” Author=webjx><b Author=webjx><</b>’;
strFrame+=’ </td><td width=60 align=center style=”font-size:12px;cursor:default” Author=webjx ‘;
strFrame+=’onmouseover=”style.backgroundColor=\\’#D7E1F0\\’” onmouseout=”style.backgroundColor=\\’white\\’” ‘;
strFrame+=’onclick=”parent.tmpSelectYearInnerHTML(this.innerText.substring(0,4))” title=”点击这里选择年份”><span Author=webjx id=webjxYearHead></span></td>’;
strFrame+=’<td width=48 align=center style=”font-size:12px;cursor:default” Author=webjx onmouseover=”style.backgroundColor=\\’#D7E1F0\\’” ‘;
strFrame+=’ onmouseout=”style.backgroundColor=\\’white\\’” onclick=”parent.tmpSelectMonthInnerHTML(this.innerText.length==3?this.innerText.substring(0,1):this.innerText.substring(0,2))”‘;
strFrame+=’ title=”点击这里选择月份”><span id=webjxMonthHead Author=webjx></span></td>’;
strFrame+=’ <td width=16 bgcolor=#B6CAE4 align=center style=”font-size:12px;cursor: hand;color: #ffffff” ‘;
strFrame+=’ onclick=”parent.webjxNextM()” title=”向后翻 1 月” Author=webjx><b Author=webjx>></b></td></tr>’;
strFrame+=’ </table></td></tr>’;
strFrame+=’ <tr Author=”wayx”><td width=180 height=18 Author=”wayx”>’;
strFrame+=’<table border=1 cellspacing=0 cellpadding=0 bgcolor=#618BC5 ‘ + (bMoveable? ‘onmousedown=”DragStart()” onmouseup=”DragEnd()”‘:”);
strFrame+=’ BORDERCOLORLIGHT=#3677b1 bgcolor=#5168C8 BORDERCOLORDARK=#FFFFFF width=”100%” height=25 Author=”wayx” style=”cursor:’ + (bMoveable ? ‘move’:\'default’) + ‘”>’;
strFrame+=’<tr Author=”wayx” valign=”middle” align=”center”><td style=”font-size:12px;color:#FFFFFF” Author=webjx><b>日</b></td>’;
strFrame+=’<td style=”font-size:12px;color:#FFFFFF” Author=webjx><b>一</b></td><td style=”font-size:12px;color:#FFFFFF” Author=webjx><b>二</b></td>’;
strFrame+=’<td style=”font-size:12px;color:#FFFFFF” Author=webjx><b>三</b></td><td style=”font-size:12px;color:#FFFFFF” Author=webjx><b>四</b></td>’;
strFrame+=’<td style=”font-size:12px;color:#FFFFFF” Author=webjx><b>五</b></td><td style=”font-size:12px;color:#FFFFFF” Author=webjx><b>六</b></td></tr>’;
strFrame+=’</table></td></tr><!– Author:F.R.Huang(webjx) http://www.dwww.cn/ mail: webjx@hzcnc.com 2002-10-8 –>’;
strFrame+=’ <tr Author=”wayx”><td width=”100%” height=120 Author=”wayx”>’;
strFrame+=’ <table border=1 cellspacing=2 cellpadding=0 borderColorDark=#ffffff bgColor=#FFFFFF borderColorLight=#83A4D1 width=”100%” height=120 Author=”wayx”>’;
var n=0; for (j=0;j<5;j++){ strFrame+= ‘ <tr align=center Author=”wayx”>’; for (i=0;i<7;i++){
strFrame+=’<td width=25 height=25 id=webjxDay’+n+’ style=”font-size:12px” Author=webjx onclick=parent.webjxDayClick(this.innerText,0)></td>’;n++;}
strFrame+=’</tr>’;}
strFrame+=’ <tr align=center Author=”wayx”>’;
for (i=35;i<39;i++)strFrame+=’<td width=25 height=25 id=webjxDay’+i+’ style=”font-size:12px” Author=wayx onclick=”parent.webjxDayClick(this.innerText,0)”></td>’;
strFrame+=’ <td colspan=3 align=right Author=webjx><span onclick=parent.closeLayer() style=”font-size:12px;cursor: hand”‘;
strFrame+=’ Author=webjx title=”‘ + _VersionInfo + ‘”><u>关闭</u></span> </td></tr>’;
strFrame+=’ </table></td></tr><tr Author=”wayx”><td Author=”wayx”>’;
strFrame+=’ <table border=0 cellspacing=1 cellpadding=0 width=100% Author=”wayx” bgcolor=#FFFFFF>’;
strFrame+=’ <tr Author=”wayx”><td Author=webjx align=left><input Author=webjx type=button class=button style=”cursor:hand” value=”<<” title=”向前翻 1 年” onclick=”parent.webjxPrevY()” ‘;
strFrame+=’ onfocus=”this.blur()” style=”font-size: 12px; height: 20px”><input Author=webjx class=button title=”向前翻 1 月” type=button ‘;
strFrame+=’ value=”< ” style=”cursor:hand” onclick=”parent.webjxPrevM()” onfocus=”this.blur()” style=”font-size: 12px; height: 20px”></td><td ‘;
strFrame+=’ Author=webjx align=center><input Author=webjx style=”cursor:hand” type=button class=button value=Today onclick=”parent.webjxToday()” ‘;
strFrame+=’ onfocus=”this.blur()” title=”当前日期” style=”font-size: 12px; height: 20px; cursor:hand”></td><td ‘;
strFrame+=’ Author=webjx align=right><input Author=webjx type=button class=button value=” >” style=”cursor:hand” onclick=”parent.webjxNextM()” ‘;
strFrame+=’ onfocus=”this.blur()” title=”向后翻 1 月” class=button style=”font-size: 12px; height: 20px”><input ‘;
strFrame+=’ Author=webjx type=button class=button style=”cursor:hand” value=”>>” title=”向后翻 1 年” onclick=”parent.webjxNextY()”‘;
strFrame+=’ onfocus=”this.blur()” style=”font-size: 12px; height: 20px”></td>’;
strFrame+=’</tr></table></td></tr></table></td></tr></table></div>’;

window.frames.webjxDateLayer.document.writeln(strFrame);
window.frames.webjxDateLayer.document.close(); //解决ie进度条不结束的问题

//==================================================== WEB 页面显示部分 ======================================================
var outObject;
var outButton; //点击的按钮
var outDate=”"; //存放对象的日期
var odatelayer=window.frames.webjxDateLayer.document.all; //存放日历对象
function setday(tt,obj) //主调函数
{
if (arguments.length > 2){alert(“对不起！传入本控件的参数太多！”);return;}
if (arguments.length == 0){alert(“对不起！您没有传回本控件任何参数！”);return;}
var dads = document.all.webjxDateLayer.style;
var th = tt;
var ttop = tt.offsetTop; //TT控件的定位点高
var thei = tt.clientHeight; //TT控件本身的高
var tleft = tt.offsetLeft; //TT控件的定位点宽
var ttyp = tt.type; //TT控件的类型
while (tt = tt.offsetParent){ttop+=tt.offsetTop; tleft+=tt.offsetLeft;}
dads.top = (ttyp==”image”)? ttop+thei : ttop+thei+6;
dads.left = tleft;
outObject = (arguments.length == 1) ? th : obj;
outButton = (arguments.length == 1) ? null : th; //设定外部点击的按钮
//根据当前输入框的日期显示日历的年月
var reg = /^(\\d+)-(\\d{1,2})-(\\d{1,2})/;
var r = outObject.value.match(reg);
if(r!=null){
r[2]=r[2]-1;
var d= new Date(r[1], r[2],r[3]);
if(d.getFullYear()==r[1] && d.getMonth()==r[2] && d.getDate()==r[3]){
outDate=d; //保存外部传入的日期
}
else outDate=”";
webjxSetDay(r[1],r[2]+1);
}
else{
outDate=”";
webjxSetDay(new Date().getFullYear(), new Date().getMonth() + 1);
}
dads.display = ”;

event.returnValue=false;
}

var MonHead = new Array(12); //定义阳历中每个月的最大天数
MonHead[0] = 31; MonHead[1] = 28; MonHead[2] = 31; MonHead[3] = 30; MonHead[4] = 31; MonHead[5] = 30;
MonHead[6] = 31; MonHead[7] = 31; MonHead[8] = 30; MonHead[9] = 31; MonHead[10] = 30; MonHead[11] = 31;

var webjxTheYear=new Date().getFullYear(); //定义年的变量的初始值
var webjxTheMonth=new Date().getMonth()+1; //定义月的变量的初始值
var webjxWDay=new Array(39); //定义写日期的数组

function document.onclick() //任意点击时关闭该控件 //ie6的情况可以由下面的切换焦点处理代替
{
with(window.event)
{ if (srcElement.getAttribute(“Author”)==null && srcElement != outObject && srcElement != outButton)
closeLayer();
}
}

function document.onkeyup() //按Esc键关闭，切换焦点关闭
{
if (window.event.keyCode==27){
if(outObject)outObject.blur();
closeLayer();
}
else if(document.activeElement)
if(document.activeElement.getAttribute(“Author”)==null && document.activeElement != outObject && document.activeElement != outButton)
{
closeLayer();
}
}

function webjxWriteHead(yy,mm) //往 head 中写入当前的年与月
{
odatelayer.webjxYearHead.innerText = yy + ” 年”;
odatelayer.webjxMonthHead.innerText = mm + ” 月”;
}

function closeLayer() //这个层的关闭
{
document.all.webjxDateLayer.style.display=”none”;
}

function IsPinYear(year) //判断是否闰平年
{
if (0==year%4&&((year%100!=0)||(year%400==0))) return true;else return false;
}

function GetMonthCount(year,month) //闰年二月为29天
{
var c=MonHead[month-1];if((month==2)&&IsPinYear(year)) c++;return c;
}
function GetDOW(day,month,year) //求某天的星期几
{
var dt=new Date(year,month-1,day).getDay()/7; return dt;
}