datedemo.php

<SCRIPT LANGUAGE="JavaScript">

  var imagePath='timePickerImages/';  
  var ie=document.all;
  var dom=document.getElementById;
  var ns4=document.layers;
  var bShow=false;
  var textCtl;

  function setTimePicker(t) {
    textCtl.value=t;
    closeTimePicker();
  }

  function refreshTimePicker(mode) {
    
    if (mode==0)
      { 
        suffix="am"; 
      }
    else
      { 
        suffix="pm"; 
      }

    sHTML = "<table><tr><td><table cellpadding=3 cellspacing=0 bgcolor='#f0f0f0'>";
    for (i=0;i<=11;i++) {

      sHTML+="<tr align=right style='font-family:verdana;font-size:9px;color:#000000;'>";

      if (i==0) {
        hr = 12;
      }
      else {
        hr=i;
      }  

      for (j=0;j<4;j++) {
        sHTML+="<td width=57 style='cursor:hand' onmouseover='this.style.backgroundColor=\"#66CCFF\"' onmouseout='this.style.backgroundColor=\"\"' onclick='setTimePicker(\""+ hr + ":" + padZero(j*15) + " " + suffix + "\")'><a style='text-decoration:none;color:#000000' href='javascript:setTimePicker(\""+ hr + ":" + padZero(j*15) + " " + suffix + "\")'>" + hr + ":"+padZero(j*15) + "<font color=\"#808080\">" + suffix + "</font></a></td>";
      }

      sHTML+="</tr>";
    }
    sHTML += "</table></td></tr></table>";
    document.getElementById("timePickerContent").innerHTML = sHTML;
  }
  if (dom){
    document.write ("<div id='timepicker' style='z-index:+999;position:absolute;visibility:hidden;'><table style='border-width:3px;border-style:solid;border-color:#0033AA' bgcolor='#ffffff' cellpadding=0><tr bgcolor='#0033AA'><td><table cellpadding=0 cellspacing=0 width='100%' background='" + imagePath + "titleback.gif'><tr valign=bottom height=21><td style='font-family:verdana;font-size:11px;color:#ffffff;padding:3px' valign=center><B>&nbsp;&nbsp;Select a Time&nbsp;&nbsp;</B></td><td><img id='iconAM' src='" + imagePath + "am1.gif' onclick='document.getElementById(\"iconAM\").src=\"" + imagePath + "am1.gif\";document.getElementById(\"iconPM\").src=\"" + imagePath + "pm2.gif\";refreshTimePicker(0)' style='cursor:hand'></td><td><img id='iconPM' src='" + imagePath + "pm2.gif' onclick='document.getElementById(\"iconAM\").src=\"" + imagePath + "am2.gif\";document.getElementById(\"iconPM\").src=\"" + imagePath + "pm1.gif\";refreshTimePicker(1)' style='cursor:hand'></td><td align=right valign=center>&nbsp;<img onclick='closeTimePicker()' src='" + imagePath + "close.gif'  STYLE='cursor:hand'>&nbsp;</td></tr></table></td></tr><tr><td colspan=2><span id='timePickerContent'></span></td></tr></table></div>");
    refreshTimePicker(0);
  }

  var crossobj=(dom)?document.getElementById("timepicker").style : ie? document.all.timepicker : document.timepicker;
  var currentCtl

  function selectTime(ctl,ctl2) {
    var leftpos=0
    var toppos=0

    textCtl=ctl2;
    currentCtl = ctl
    currentCtl.src=imagePath + "timepicker2.gif";

    aTag = ctl
    do {
      aTag = aTag.offsetParent;
      leftpos  += aTag.offsetLeft;
      toppos += aTag.offsetTop;
    } while(aTag.tagName!="BODY");
    crossobj.left =  ctl.offsetLeft  + leftpos 
    crossobj.top = ctl.offsetTop +  toppos + ctl.offsetHeight +  2 
    crossobj.visibility=(dom||ie)? "visible" : "show"
    hideElement( 'SELECT', document.getElementById("calendar") );
    hideElement( 'APPLET', document.getElementById("calendar") );      
    bShow = true;
  }  
  function hideElement( elmID, overDiv ){
    if( ie ){
      for( i = 0; i < document.all.tags( elmID ).length; i++ ){
        obj = document.all.tags( elmID )[i];
        if( !obj || !obj.offsetParent ){
            continue;
        }
          
          objLeft   = obj.offsetLeft;
          objTop    = obj.offsetTop;
          objParent = obj.offsetParent;
          while( objParent.tagName.toUpperCase() != "BODY" )
          {
          objLeft  += objParent.offsetLeft;
          objTop   += objParent.offsetTop;
          objParent = objParent.offsetParent;
          }
          objHeight = obj.offsetHeight;
          objWidth = obj.offsetWidth;
          if(( overDiv.offsetLeft + overDiv.offsetWidth ) <= objLeft );
          else if(( overDiv.offsetTop + overDiv.offsetHeight ) <= objTop );
          else if( overDiv.offsetTop >= ( objTop + objHeight + obj.height ));
          else if( overDiv.offsetLeft >= ( objLeft + objWidth ));
          else
          {
          obj.style.visibility = "hidden";
          }
      }
    }
  }
     
 function showElement( elmID ){
    if( ie ){
      for( i = 0; i < document.all.tags( elmID ).length; i++ ){
        obj = document.all.tags( elmID )[i];
        if( !obj || !obj.offsetParent ){
            continue;
        }
        obj.style.visibility = "";
      }
    }
  }

  function closeTimePicker() {
    crossobj.visibility="hidden"
    showElement( 'SELECT' );
    showElement( 'APPLET' );
    currentCtl.src=imagePath + "timepicker.gif"
  }

  document.onkeypress = function hideTimePicker1 () { 
    if (event.keyCode==27){
      if (!bShow){
        closeTimePicker();
      }
    }
  }

  function isDigit(c) {
    
    return ((c=='0')||(c=='1')||(c=='2')||(c=='3')||(c=='4')||(c=='5')||(c=='6')||(c=='7')||(c=='8')||(c=='9'))
  }

  function isNumeric(n) {
    
    num = parseInt(n,10);

    return !isNaN(num);
  }

  function padZero(n) {
    v="";
    if (n<10){ 
      return ('0'+n);
    }
    else
    {
      return n;
    }
  }

  function validateDatePicker(ctl) {

    t=ctl.value.toLowerCase();
    t=t.replace(" ","");
    t=t.replace(".",":");
    t=t.replace("-","");

    if ((isNumeric(t))&&(t.length==4))
    {
      t=t.charAt(0)+t.charAt(1)+":"+t.charAt(2)+t.charAt(3);
    }

    var t=new String(t);
    tl=t.length;

    if (tl==1 ) {
      if (isDigit(t)) {
        ctl.value=t+":00 am";
      }
      else {
        return false;
      }
    }
    else if (tl==2) {
      if (isNumeric(t)) {
        if (parseInt(t,10)<13){
          if (t.charAt(1)!=":") {
            ctl.value= t + ':00 am';
          } 
          else {
            ctl.value= t + '00 am';
          }
        }
        else if (parseInt(t,10)==24) {
          ctl.value= "0:00 am";
        }
        else if (parseInt(t,10)<24) {
          if (t.charAt(1)!=":") {
            ctl.value= (t-12) + ':00 pm';
          } 
          else {
            ctl.value= (t-12) + '00 pm';
          }
        }
        else if (parseInt(t,10)<=60) {
          ctl.value= '0:'+padZero(t)+' am';
        }
        else {
          ctl.value= '1:'+padZero(t%60)+' am';
        }
      }
      else
           {
        if ((t.charAt(0)==":")&&(isDigit(t.charAt(1)))) {
          ctl.value = "0:" + padZero(parseInt(t.charAt(1),10)) + " am";
        }
        else {
          return false;
        }
      }
    }
    else if (tl>=3) {

      var arr = t.split(":");
      if (t.indexOf(":") > 0)
      {
        hr=parseInt(arr[0],10);
        mn=parseInt(arr[1],10);

        if (t.indexOf("pm")>0) {
          mode="pm";
        }
        else {
          mode="am";
        }

        if (isNaN(hr)) {
          hr=0;
        } else {
          if (hr>24) {
            return false;
          }
          else if (hr==24) {
            mode="am";
            hr=0;
          }
          else if (hr>12) {
            mode="pm";
            hr-=12;
          }
        }
      
        if (isNaN(mn)) {
          mn=0;
        }
        else {
          if (mn>60) {
            mn=mn%60;
            hr+=1;
          }
        }
      } else {

        hr=parseInt(arr[0],10);

        if (isNaN(hr)) {
          hr=0;
        } else {
          if (hr>24) {
            return false;
          }
          else if (hr==24) {
            mode="am";
            hr=0;
          }
          else if (hr>12) {
            mode="pm";
            hr-=12;
          }
        }

        mn = 0;
      }
      
      if (hr==24) {
        hr=0;
        mode="am";
      }
      ctl.value=hr+":"+padZero(mn)+" "+mode;
    }
  }

</SCRIPT>
<input id='timepicker1' type='text' value='12:00 pm' size=8 maxlength=8 ONBLUR="validateDatePicker(this)">
<IMG SRC="timePickerImages/timepicker.gif" BORDER="0" ALT="Pick a Time!" ONCLICK="selectTime(this,timepicker1)" STYLE="cursor:hand"
>
<input type="button" onClick="javascript: alert(document.getElementById('timepicker1').value)" />