/***********************************************
* CMotion Image Gallery- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* Visit http://www.dynamicDrive.com for source code
* This copyright notice must stay intact for legal use
* Modified for autowidth and optional starting positions in
* http://www.dynamicdrive.com/forums/showthread.php?t=11839 by jschuer1 8/5/06
***********************************************/

 //1) Set width of the "neutral" area in the center of the gallery.
var restarea=100;
 //2) Set top scroll speed in pixels. Script auto creates a range from 0 to top speed.
var maxspeed=7;
 //3) Set to maximum width for gallery - must be less than the actual length of the image train.
var maxwidth=1000;
 //4) Set to 1 for left start, 0 for right, 2 for center.
var startpos=0;
 //5) Set message to show at end of gallery. Enter "" to disable message.
var endofgallerymsg='<span style="font-size: 11px;">End of Gallery</span>';

function enlargeimage(path, optWidth, optHeight){ //function to enlarge image. Change as desired.
var actualWidth=typeof optWidth!="undefined" ? optWidth : "600px" //set 600px to default width
var actualHeight=typeof optHeight!="undefined" ? optHeight : "500px" //set 500px to  default height
var winattributes="width="+actualWidth+",height="+actualHeight+",resizable=yes"
window.open(path,"", winattributes)
}

////NO NEED TO EDIT BELOW THIS LINE////////////

var iedom=document.all||document.getElementById, scrollspeed=0, movestate='', actualwidth='', cross_scroll, ns_scroll, statusdiv, loadedyes=0, lefttime, righttime;

function ietruebody(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
}

function creatediv(){
statusdiv=document.createElement("div")
statusdiv.setAttribute("id","statusdiv")
document.body.appendChild(statusdiv)
statusdiv=document.getElementById("statusdiv")
statusdiv.innerHTML=endofgallerymsg
}

function positiondiv(){
var mainobjoffset=getposOffset(crossmain, "left"),
menuheight=parseInt(crossmain.offsetHeight),
mainobjoffsetH=getposOffset(crossmain, "top");
statusdiv.style.left=mainobjoffset+(menuwidth/2)-(statusdiv.offsetWidth/2)+"px";
statusdiv.style.top=menuheight+mainobjoffsetH+"px";
}

function showhidediv(what){
if (endofgallerymsg!="") {
positiondiv();
statusdiv.style.visibility=what;
}
}

function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft: what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}


function moveleft(){
if (loadedyes){
movestate="left";
if (iedom&&parseInt(cross_scroll.style.left)>(menuwidth-actualwidth)){
cross_scroll.style.left=parseInt(cross_scroll.style.left)-scrollspeed+"px";
showhidediv("hidden");
}
else
showhidediv("visible");
}
lefttime=setTimeout("moveleft()",10);
}

function moveright(){
if (loadedyes){
movestate="right";
if (iedom&&parseInt(cross_scroll.style.left)<0){
cross_scroll.style.left=parseInt(cross_scroll.style.left)+scrollspeed+"px";
showhidediv("hidden");
}
else
showhidediv("visible");
}
righttime=setTimeout("moveright()",10);
}

function motionengine(e){
var mainobjoffset=getposOffset(crossmain, "left"),
dsocx=(window.pageXOffset)? pageXOffset: ietruebody().scrollLeft,
dsocy=(window.pageYOffset)? pageYOffset : ietruebody().scrollTop,
curposy=window.event? event.clientX : e.clientX? e.clientX: "";
curposy-=mainobjoffset-dsocx;
var leftbound=(menuwidth-restarea)/2;
var rightbound=(menuwidth+restarea)/2;
if (curposy>rightbound){
scrollspeed=(curposy-rightbound)/((menuwidth-restarea)/2) * maxspeed;
clearTimeout(righttime);
if (movestate!="left") moveleft();
}
else if (curposy<leftbound){
scrollspeed=(leftbound-curposy)/((menuwidth-restarea)/2) * maxspeed;
clearTimeout(lefttime);
if (movestate!="right") moveright();
}
else
scrollspeed=0;
}

function contains_ns6(a, b) {
if (b!==null)
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}

function stopmotion(e){
if (!window.opera||(window.opera&&e.relatedTarget!==null))
if ((window.event&&!crossmain.contains(event.toElement)) || (e && e.currentTarget && e.currentTarget!= e.relatedTarget && !contains_ns6(e.currentTarget, e.relatedTarget))){
clearTimeout(lefttime);
clearTimeout(righttime);
movestate="";
}
}

function fillup(){
if (iedom){
crossmain=document.getElementById? document.getElementById("motioncontainer") : document.all.motioncontainer;
if(typeof crossmain.style.maxWidth!=='undefined')
crossmain.style.maxWidth=maxwidth+'px';
menuwidth=crossmain.offsetWidth;
cross_scroll=document.getElementById? document.getElementById("motiongallery") : document.all.motiongallery;
actualwidth=document.getElementById? document.getElementById("trueContainer").offsetWidth : document.all['trueContainer'].offsetWidth;
if (startpos)
cross_scroll.style.left=(menuwidth-actualwidth)/startpos+'px';
crossmain.onmousemove=function(e){
motionengine(e);
}

crossmain.onmouseout=function(e){
stopmotion(e);
showhidediv("hidden");
}
}
loadedyes=1
if (endofgallerymsg!=""){
creatediv();
positiondiv();
}
if (document.body.filters)
onresize()
}
window.onload=fillup;

onresize=function(){
if (typeof motioncontainer!=='undefined'&&motioncontainer.filters){
motioncontainer.style.width="0";
motioncontainer.style.width="";
motioncontainer.style.width=Math.min(motioncontainer.offsetWidth, maxwidth)+'px';
}
menuwidth=crossmain.offsetWidth;
cross_scroll.style.left=startpos? (menuwidth-actualwidth)/startpos+'px' : 0;
}

<!-- NOTE: all the document.write are necessary to have javascript create the entire motiongallery as its -->
<!-- included via a javascript call. This is done to accomodate browsers that do NOT have javascript active, -->
<!-- so that all the script in this file will be overlooked completely. -->

document.write('<table border="0" width="100%" cellpadding="2"><tr>');
document.write('<td height="10" bgcolor="#102290"><font color="#FFFFFF"><b>&nbsp; Image Viewer</b>');
document.write('<font size="-2"> (mouseover any image to move left and right, click to enlarge)</font></font></td>');
document.write('</tr><tr><td>');
document.write('<div id="motioncontainer" style="position:relative;overflow:hidden; width:520px;">');

<!-- the width added to the div motioncontainer is used specifically to address an IE concern. -->
<!--It is not part of the original script. Without it, you will see the images in the scoll load  -->
<!--initially, the get hidden by the overflow tag, based on the width of the table and css.  -->
<!--The width introduced here forces the images to load within this confine, -->
<!--so you do not see them all load in IE. -->

document.write('<div id="motiongallery" style="position:absolute;left:0;top:0;white-space: nowrap;">');
document.write('<table id="trueContainer"><tr>');
//document.write('<td><a href="http://radar.weather.gov/radar.php?rid=arx&product=N0R&overlay=11101111&loop=no"><img src="http://radar.weather.gov/Thumbs/ARX_Thumb.gif" height=100 width=130 align="center" alt="Latest radar image" border="0"></a><br>Latest Radar Image</td>');
document.write('<td><a href="/arx/skycam.php"><img src="/images/arx/skycam/arx_skycam_1.jpg" height="100" width="130" border="0" align="center" alt="La Crosse Skycam image"></a><br>Office Skycam</td>');
//document.write('<td><a href="/wxstory.php?site=arx"><img src="/images/fxc/arx/wx/Thumb.png" height=100 width=130 align="center" alt="Weather Story" border="0"></a><br>Weather Story</td>');
document.write('<td><a href="http://www.nws.noaa.gov/forecasts/graphical/sectors/uppermissvly.php"><img src="http://www.nws.noaa.gov/forecasts/graphical/images/uppermissvly/MaxT1_uppermissvly.png" height=100 width=130 align="center" alt="Graphical Forecast" border="0"></a><br>Graphical Forecast</td>');
//document.write('<td><a href="http://www.goes.noaa.gov/ECIR4.html"><img src="/data/satellite/thumbs/ECI8.JPG" height=100 width=130 align="center" alt="Latest Visible satelite image" border="0"></a><br>Latest IR Satelite Image</td>');
document.write('<td><a href="http://www.goes.noaa.gov/GIFS/ECVS.JPG"><img src="http://www.goes.noaa.gov/ICONS/ECVSICON.JPG" height=100 width=130 align="center" alt="Latest Visible satelite image" border="0"></a><br>Latest Visible Image</td>');
document.write('<td><a href="http://www.hpc.ncep.noaa.gov/sfc/satsfcnps.gif"><img src="http://www.hpc.ncep.noaa.gov/sfc/satsfcnps_sm.jpg" height=100 width=130 align="center" alt="Current Weather Conditions" border="0"></a><br>Current Weather</td>');
//document.write('<td><a href="http://www.spc.noaa.gov/products/outlook/day1otlk.html"><img src="http://www.spc.noaa.gov/products/outlook/day1otlk_sm.gif" height=100 width=130 align="center" alt="Day 1 Severe Outlook" border="0"></a><br>SPC Day 1 Outlook</td>'); 
//document.write('<td><a href="http://www.spc.noaa.gov/products/outlook/day2otlk.html"><img src="http://www.spc.noaa.gov/products/outlook/day2otlk_sm.gif" height=100 width=130 align="center" alt="Day 2 Severe Outlook" border="0"></a><br>SPC Day 2 Outlook</td>'); 
//document.write('<td><a href="http://www.spc.noaa.gov/products/outlook/day3otlk.html"><img src="http://www.spc.noaa.gov/products/outlook/day3otlk_sm.gif" height=100 width=130 align="center" alt="Day 3 Severe Outlook" border="0"></a><br>SPC Day 3 Outlook</td>'); 
//document.write('<td><a href="http://www.hpc.ncep.noaa.gov/qpf/fill_94qwbg.gif"><img src="http://www.hpc.ncep.noaa.gov/qpf/fill_94qwbg_sm.jpg" height="100" width="130" align="center" alt="Day 1 Rainfall Outlook" border="0"></a><br>Precipitation Day 1 Outlook</td>'); 
//document.write('<td><a href="http://www.hpc.ncep.noaa.gov/qpf/fill_98qwbg.gif"><img src="http://www.hpc.ncep.noaa.gov/qpf/fill_98qwbg_sm.jpg" height="100" width="130" align="center" alt="Day 2 Rainfall Outlook" border="0"></a><br>Precipitation Day 2 Outlook</td>'); 
//document.write('<td><a href="http://www.hpc.ncep.noaa.gov/noaa/noaa.gif"><img src="http://www.hpc.ncep.noaa.gov/noaa/noaa_sm.jpg" height=100 width=130 align="center" alt="Latest National Forecast" border="0"></a><br>National Forecast</td>');
document.write('<td><a href="http://www.hpc.ncep.noaa.gov/wwd/day1_psnow_gt_04.gif"><img src="http://www.hpc.ncep.noaa.gov/wwd/day1_psnow_gt_04_sm.jpg" height=100 width=130 align="center" alt="Day 1 Snow Outlook" border=0></a><br>Snow Day 1 Outlook</td>');
document.write('<td><a href="http://www.hpc.ncep.noaa.gov/wwd/day2_psnow_gt_04.gif"><img src="http://www.hpc.ncep.noaa.gov/wwd/day2_psnow_gt_04_sm.jpg" height=100 width=130 align="center" alt="Day 2 Snow Outlook" border=0></a><br>Snow Day 2 Outlook</td>');
document.write('<td><a href="http://www.hpc.ncep.noaa.gov/wwd/day3_psnow_gt_04.gif"><img src="http://www.hpc.ncep.noaa.gov/wwd/day3_psnow_gt_04_sm.jpg" height="100" width="130" align="center" alt="Day 3 Snow Outlook" border=0></a><br>Snow Day 3 Outlook</td>');
document.write('<td><a href="http://www.hpc.ncep.noaa.gov/wwd/day1_pice_gt_25.gif"><img src="http://www.hpc.ncep.noaa.gov/wwd/day1_pice_gt_25_sm.jpg" height="100" width="130" align="center" alt="Day 2 Freezing Rain Outlook" border=0></a><br>Freezing Rain Outlook</td>');
document.write('</tr></table></div></div>');
document.write('</td></tr></table>');