点击文本框弹出日期

//mode :时间变换的类型0-年 1-月 2-直接选择月
function change_date(temp,mode)
{
var t_month,t_year
if (mode){
if(mode==1)
t_month=parseInt(cele_date_month.value,10)+parseInt(temp,10);
else
t_month=parseInt(temp)
if (t_month<cele_date_month.options(0).text) {
cele_date_month.value=cele_date_month.options(cele_date_month.length-1).text;
change_date(parseInt(cele_date_year.value,10)-1,0);
}
else{
if (t_month>cele_date_month.options(cele_date_month.length-1).text){
cele_date_month.value=cele_date_month.options(0).text;
change_date(parseInt(cele_date_year.value,10)+1,0);
}
else
{cele_date_month.value=t_month;
set_cele_date(cele_date_year.value,cele_date_month.value);
}
}
}
else{
t_year=parseInt(temp,10);

if (t_year<cele_date_year.options(0).text) {
cele_date_year.value=cele_date_year.options(0).text;
set_cele_date(cele_date_year.value,1);
}
else{
if (parseInt(t_year,10)>parseInt(cele_date_year.options(cele_date_year.length-1).text,10)){
cele_date_year.value=cele_date_year.options(cele_date_year.length-1).text;
set_cele_date(cele_date_year.value,12);
}
else
{cele_date_year.value=t_year;
set_cele_date(cele_date_year.value,cele_date_month.value);
}
}
}

window.cele_date.focus();

}

//初始化日历
function init(d_start,d_end)
{
var temp_str;
var i=0
var j=0
date_start=new Date(1980,7,1)
date_end=new Date(2004,8,1)
document.writeln("<div name="cele_date" id="cele_date" style="display:none" style="LEFT: 69px; POSITION: absolute; TOP: 159px;Z-INDEX:99" onClick="event.cancelBubble=true;" onBlur="hilayer()" onMouseout="lostlayerfocus()">-</div>");
window.cele_date.innerHTML="";
temp_str="<table border="1" bgcolor="#DDDDDD" bordercolor="white"><tr><td colspan=7 onmouseover="overcolor(this)">";
temp_str+="<input type="Button" value="<<" onclick="change_date(-1,1)" onmouseover="getlayerfocus()" style="color: #000099; background-color: #BFBFBF; cursor: hand">-";

temp_str+=""
temp_str+="<select name="cele_date_year" id="cele_date_year" language="javascript" onchange="change_date(this.value,0)" onmouseover="getlayerfocus()" onblur="getlayerfocus()" style="font-size: 9pt; border: 1px #666666 outset; background-color: #F4F8FB">"

for (i=1900;i<=2020;i++)
{
temp_str+="<OPTION value=""+i.toString()+"">"+i.toString()+"</OPTION>";
}
temp_str+="</select>-";
temp_str+=""
temp_str+="<select name="cele_date_month" id="cele_date_month" language="javascript" onchange="change_date(this.value,2)" onmouseover="getlayerfocus()" onblur="getlayerfocus()" style="font-size: 9pt; border: 1px #666666 outset; background-color: #F4F8FB">"

for (i=1;i<=12;i++)
{
temp_str+="<OPTION value=""+i.toString()+"">"+i.toString()+"</OPTION>";
}
temp_str+="</select>-";
temp_str+=""
temp_str+="<input type="Button" value=">>" onclick="change_date(1,1)" onmouseover="getlayerfocus()" style="color: #000099; background-color: #BFBFBF; cursor: hand">";

temp_str+="</td></tr><tr><td onmouseover="overcolor(this)">"
temp_str+="<font color=red>日</font></td><td>";temp_str+="一</td><td>"; temp_str+="二</td><td>"; temp_str+="三</td><td>"
temp_str+="四</td><td>";temp_str+="五</td><td>"; temp_str+="六</td></tr>";
for (i=1 ;i<=6 ;i++)
{
temp_str+="<tr>";
for(j=1;j<=7;j++){
temp_str+="<td name="c"+i+"_"+j+""id="c"+i+"_"+j+"" style="CURSOR: hand" style="COLOR:#000000" language="javascript" onmouseover="overcolor(this)" onmouseout="outcolor(this)" onclick="td_click(this)">?</td>"
}
temp_str+="</tr>"
}
temp_str+="</td></tr></table>";
window.cele_date.innerHTML=temp_str;
}
function set_cele_date(year,month)
{
var i,j,p,k
var nd=new Date(year,month-1,1);
event.cancelBubble=true;
cele_date_year.value=year;
cele_date_month.value=month;
k=nd.getDay()-1
var temp;
for (i=1;i<=6;i++)
for(j=1;j<=7;j++)
{
eval("c"+i+"_"+j+".innerHTML=""");
eval("c"+i+"_"+j+".bgColor="#DDDDDD"");
eval("c"+i+"_"+j+".style.cursor="hand"");
}
while(month-1==nd.getMonth())
{ j=(nd.getDay() +1);
p=parseInt((nd.getDate()+k) / 7)+1;
eval("c"+p+"_"+j+".innerHTML="+"""+nd.getDate()+""");
if ((nd.getDate()==today.getDate())&&(cele_date_month.value==today.getMonth()+1)&&(cele_date_year.value==today.getYear())){
eval("c"+p+"_"+j+".bgColor="#EFFB64"");
}
if (nd>date_end || nd<date_start)
{
eval("c"+p+"_"+j+".bgColor="#FF9999"");
eval("c"+p+"_"+j+".style.cursor="text"");
}
nd=new Date(nd.valueOf() + 86400000)
}
}
//续

//s_object：点击的对象；d_start-d_end有效的时间区段；需要存放值的控件；
function show_cele_date(eP,d_start,d_end,t_object)
{
window.cele_date.style.display="";
window.cele_date.style.zIndex=99
var s,cur_d
var eT = eP.offsetTop;
var eH = eP.offsetHeight+eT;
var dH = window.cele_date.style.pixelHeight;
var sT = document.body.scrollTop;
var sL = document.body.scrollLeft;
event.cancelBubble=true;
window.cele_date.style.posLeft = event.clientX-event.offsetX+sL-5;
window.cele_date.style.posTop = event.clientY-event.offsetY+eH+sT-5;
if (window.cele_date.style.posLeft+window.cele_date.clientWidth>document.body.clientWidth) window.cele_date.style.posLeft+=eP.offsetWidth-window.cele_date.clientWidth;
if (d_start!=""){
if (d_start=="today"){
date_start=new Date(today.getYear(),today.getMonth(),today.getDate());
}else{
s=d_start.split(separator);
date_start=new Date(s[0],s[1]-1,s[2]);
}
}else{
date_start=new Date(1900,1,1);
}

if (d_end!=""){
s=d_end.split(separator);
date_end=new Date(s[0],s[1]-1,s[2]);
}else{
date_end=new Date(3000,1,1);
}

g_object=t_object

cur_d=new Date()
set_cele_date(cur_d.getYear(),cur_d.getMonth()+1);
window.cele_date.style.display="block";

window.cele_date.focus();

}
function td_click(t_object)
{
var t_d
if (parseInt(t_object.innerHTML,10)>=1 && parseInt(t_object.innerHTML,10)<=31 )
{ t_d=new Date(cele_date_year.value,cele_date_month.value-1,t_object.innerHTML)
if (t_d<=date_end && t_d>=date_start)
{
var year = cele_date_year.value;
var month = cele_date_month.value;
var day = t_object.innerHTML;
if (parseInt(month)<10) month = "0" + month;
if (parseInt(day)<10) day = "0" + day;

g_object.value=year+separator+month+separator+day;
window.cele_date.style.display="none";};
}

}
function h_cele_date()
{
window.cele_date.style.display="none";
}

function overcolor(obj)
{
if (obj.style.cursor=="hand") obj.style.color = "#FFFFFF";

inover=true;
window.cele_date.focus();

}

function outcolor(obj)
{
obj.style.color = "#000000";
inover=false;

}

function getNow(o){
var Stamp=new Date();
var year = Stamp.getYear();
var month = Stamp.getMonth()+1;
var day = Stamp.getDate();
if(month<10){
month="0"+month;
}
if(day<10){
day="0"+day;
}
o.value=year+separator+month+separator+day;
}

function hilayer()
{
if (inover==false)
{
var lay=document.all.cele_date;
lay.style.display="none";
}
}
function getlayerfocus()
{
inover=true;
}
function lostlayerfocus()
{
inover=false;
}
init();
//日历结束