//**************************************************************************
 
//=== THE CODE STARTS HERE - no need to change anything below ===
 
//=== global variables ====
theImages = new Array();      //holds the images
imageNum = new Array();       //keeps track of which images to omit from loop
normal_delay = 1000;
delay = normal_delay;         //delay between frames in 1/100 seconds
delay_step = 50;
delay_max = 6000;
delay_min = 50;
dwell_multipler = 3;
dwell_step = 1;
end_dwell_multipler   = dwell_multipler;
start_dwell_multipler = dwell_multipler;
current_image = first_image;     //number of the current image
timeID = null;
status = 0;                      // 0-stopped, 1-playing
play_mode = 0;                   // 0-normal, 1-loop, 2-sweep
size_valid = 0;
 
//===> Make sure the first image number is not bigger than the last image number
if (first_image > last_image)
{
   var help = last_image;
   last_image = first_image;
   first_image = help;
}
 
//===> Preload the first image (while page is downloading)
   theImages[0] = new Image();
   theImages[0].src = modImages[0];
   imageNum[0] = true;
 
//==============================================================
//== All previous statements are performed as the page loads. ==
//== The following functions are also defined at this time.   ==
//==============================================================
 
//===> Stop the animation
function stop()
{
   //== cancel animation (timeID holds the expression which calls the fwd or bkwd function) ==
   if (status == 1)
      clearTimeout (timeID);
   status = 0;
}
 
 
//===> Display animation in fwd direction in either loop or sweep mode
function animate_fwd()
{
   current_image++;                      //increment image number
 
   //== check if current image has exceeded loop bound ==
   if (current_image > last_image) {
      if (play_mode == 1) {              //fwd loop mode - skip to first image
         current_image = first_image;
      }
      if (play_mode == 2) {              //sweep mode - change directions (go bkwd)
         current_image = last_image;
         animate_rev();
         return;
      }
   }
 
   //== check to ensure that current image has not been deselected from the loop ==
   //== if it has, then find the next image that hasn't been ==
   while (imageNum[current_image-first_image] == false) {
         current_image++;
         if (current_image > last_image) {
            if (play_mode == 1)
               current_image = first_image;
            if (play_mode == 2) {
               current_image = last_image;
               animate_rev();
               return;
            }
         }
   }
 
   document.animation.src = theImages[current_image-first_image].src;   //display image onto screen
   document.control_form.frame_nr.value = current_image;                //display image number

   delay_time = delay;
   if ( current_image == first_image) delay_time = start_dwell_multipler*delay;
   if (current_image == last_image)   delay_time = end_dwell_multipler*delay;
 
   //== call "animate_fwd()" again after a set time (delay_time) has elapsed ==
   timeID = setTimeout("animate_fwd()", delay_time);
}
 
 
//===> Display animation in reverse direction
function animate_rev()
{
   current_image--;                      //decrement image number
 
   //== check if image number is before lower loop bound ==
   if (current_image < first_image) {
     if (play_mode == 1) {               //rev loop mode - skip to last image
        current_image = last_image;
     }
     if (play_mode == 2) {
        current_image = first_image;     //sweep mode - change directions (go fwd)
        animate_fwd();
        return;
     }
   }
 
   //== check to ensure that current image has not been deselected from the loop ==
   //== if it has, then find the next image that hasn't been ==
   while (imageNum[current_image-first_image] == false) {
         current_image--;
         if (current_image < first_image) {
            if (play_mode == 1)
               current_image = last_image;
            if (play_mode == 2) {
               current_image = first_image;
               animate_fwd();
               return;
            }
         }
   }
 
   document.animation.src = theImages[current_image-first_image].src;   //display image onto screen
   document.control_form.frame_nr.value = current_image;                //display image number

   delay_time = delay;
   if ( current_image == first_image) delay_time = start_dwell_multipler*delay;
   if (current_image == last_image)   delay_time = end_dwell_multipler*delay;
 
   //== call "animate_rev()" again after a set amount of time (delay_time) has elapsed ==
   timeID = setTimeout("animate_rev()", delay_time);
}
 
 
//===> Changes playing speed by adding to or substracting from the delay between frames
function change_speed(dv)
{
   delay+=dv;
   //== check to ensure max and min delay constraints have not been crossed ==
   if(delay > delay_max) delay = delay_max;
   if(delay < delay_min) delay = delay_min;
}
 
//===> functions that changed the dwell rates.
function change_end_dwell(dv) {
   end_dwell_multipler+=dv;
   if ( end_dwell_multipler < 1 ) end_dwell_multipler = 0;
   }
 
function change_start_dwell(dv) {
   start_dwell_multipler+=dv;
   if ( start_dwell_multipler < 1 ) start_dwell_multipler = 0;
   }
 
//===> Increment to next image
function incrementImage(number)
{
   stop();
 
   //== if image is last in loop, increment to first image ==
   if (number > last_image) number = first_image;
 
   //== check to ensure that image has not been deselected from loop ==
   while (imageNum[number-first_image] == false) {
         number++;
         if (number > last_image) number = first_image;
   }
 
   current_image = number;
   document.animation.src = theImages[current_image-first_image].src;   //display image
   document.control_form.frame_nr.value = current_image;                //display image number
}
 
//===> Decrement to next image
function decrementImage(number)
{
   stop();
 
   //== if image is first in loop, decrement to last image ==
   if (number < first_image) number = last_image;
 
   //== check to ensure that image has not been deselected from loop ==
   while (imageNum[number-first_image] == false) {
         number--;
         if (number < first_image) number = last_image;
   }
 
   current_image = number;
   document.animation.src = theImages[current_image-first_image].src;   //display image
   document.control_form.frame_nr.value = current_image;                //display image number
}
 
//===> "Play forward"
function fwd()
{
   stop();
   status = 1;
   play_mode = 1;
   animate_fwd();
}
 
//===> "Play reverse"
function rev()
{
   stop();
   status = 1;
   play_mode = 1;
   animate_rev();
}

//===> "play sweep"
function sweep() {
   stop();
   status = 1;
   play_mode = 2;
   animate_fwd();
   }
 
//===> Change play mode (normal, loop, swing)
function change_mode(mode)
{
   play_mode = mode;
}
 
//===> Load and initialize everything once page is downloaded (called from 'onLoad' in <BODY>)
function launch()
{
   for (var i = first_image + 1; i <= last_image; i++)
   {
      theImages[i-first_image] = new Image();
      theImages[i-first_image].src = modImages[i-first_image];
      imageNum[i-first_image] = true;
      document.animation.src = theImages[i-first_image].src;
      document.control_form.frame_nr.value = i;
   }
 
   // this needs to be done to set the right mode when the page is manually reloaded
   change_mode (1);
   fwd();
}
 
//===> Check selection status of image in animation loop
function checkImage(status,i)
{
   if (status == true)
      imageNum[i] = false;
   else imageNum[i] = true;
}
 
//==> Empty function - used to deal with image buttons rather than HTML buttons
function func()
{
}
 
//===> Sets up interface - this is the one function called from the HTML body
function animation()
{
  count = first_image;
}
 
// -->

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
//-->
</SCRIPT>

<link href="animate_styles.css" rel="stylesheet" type="text/css">
</head>

<body bgcolor="#FFFFFF" onLoad="launch()">



<table border=1 align=center cellpadding=3 cellspacing=0 id="frame">

<tr>

<td valign="top" id="leftnav">
    
<!--

	<h1>Frame Controls</h1>
     <p>Choose another forecast:</p>
                   
		<form name="form1" method="post" action="">
     <p>
        <select name="menu1" onChange="MM_jumpMenu('parent',this,1)">

<option value="none.html" selected>  </option>
<option value="none.html">  </option>

</select>                                           
</p>
</form>

--!>

Results from LMD meteorological models.<br> 
All rights reserved. Copy forbidden.<br>
Contact us for external use (site, publication)<br>

Plots made with Python [EPD distribution]<br>

<p>Play Mode:<br><br>
    <a href="JavaScript: func()" onClick="change_mode(1);rev()">
    <img border=0 hspace=0 vspace=0 width=29 height=24 src="http://www.lmd.jussieu.fr/~aslmd/images/button_rev.png" alt="+1"></a>
    <a href="JavaScript: func()" onClick="stop()">
    <img border=0 hspace=0 vspace=0 width=29 height=24 src="http://www.lmd.jussieu.fr/~aslmd/images/button_stop.png" alt="+1"></a>

    <a href="JavaScript: func()" onClick="change_mode(1);fwd()">
    <img border=0 hspace=0 vspace=0 width=29 height=24 src="http://www.lmd.jussieu.fr/~aslmd/images/button_fwd.png" alt="+1"></a>
		</p>
				     					
		<p>Adjust Speed:<br><br>
    <a href="JavaScript: func()" onClick="change_speed(delay_step)">
    <img border=0 hspace=0 vspace=0 width=29 height=24 src="http://www.lmd.jussieu.fr/~aslmd/images/button_slow.png" alt="+1"></a>
	  <a href="JavaScript: func()" onClick="change_speed(-delay_step)">
		<img border=0 hspace=0 vspace=0 width=29 height=24 src="http://www.lmd.jussieu.fr/~aslmd/images/button_fast.png" alt="+1"></a>

    </p>


		<p>Advance One Frame:<br><br>
		<a href="JavaScript: func()" onClick="decrementImage(--current_image)">
		<img border=0 hspace=0 vspace=0 width=29 height=24 src="http://www.lmd.jussieu.fr/~aslmd/images/button_rev1.png" alt="+1"></a>
		<a href="JavaScript: func()" onClick="incrementImage(++current_image)">
		<img border=0 hspace=0 vspace=0 width=29 height=24 src="http://www.lmd.jussieu.fr/~aslmd/images/button_fwd1.png" alt="+1"></a>
		</p>


		<form method="post" name="control_form">

    <p>Frame No:</p>
    <p>
       <input type="text" name="frame_nr" value="9" size="2" onFocus="this.select()" onChange="go2image(this.value)"></input>
       <br /> &#160; <br />
    </p>

    </form>   				     
   <p>
      <A HREF="http://www-mars.lmd.jussieu.fr/mars/publi/jgr99_gcm.pdf">About LMD Mars Global Circulation Model</A></a><br /><br />
      <A HREF="http://dl.dropbox.com/u/11078310/my_papers/spiga_jgr_SF09.pdf">About LMD Mars Mesoscale Model</A></a><br /><br />
      <A HREF="http://www-mars.lmd.jussieu.fr">About the Mars Climate Database</A></a><br /><br />
   </p>
</td>

						<td valign="top" id="content">
<!--
						<h1>LMD Planetary Atmospheres Team</h1>
-->


             <!--<p><img WIDTH="525" name="animation" border="0" src="images/loading.gif" ALT="model image">--!>
             <p><img WIDTH="600" name="animation" border="0" src="images/loading.gif" ALT="model image">
</p>
</tr>
</table>


</body>
</html>