var arrowImageHeight=35;var displayWaitMessage=true;var previewImage=false;var previewImageParent=false;var slideSpeed=0;var previewImagePane=false;var slideEndMarker=false;var galleryContainer=false;var imageGalleryCaptions=new Array();function getTopPos(inputObj)
{var returnValue=inputObj.offsetTop;while((inputObj=inputObj.offsetParent)!=null)returnValue+=inputObj.offsetTop;return returnValue;}
function getLeftPos(inputObj)
{var returnValue=inputObj.offsetLeft;while((inputObj=inputObj.offsetParent)!=null)returnValue+=inputObj.offsetLeft;return returnValue;}
function showPreview(newSrc,imageIndex)
{if(!previewImage){var images=document.getElementById('previewPane').getElementsByTagName('IMG');if(images.length>0){previewImage=images[0];}else{previewImage=document.createElement('IMG');document.getElementById('previewPane').appendChild(previewImage);}}
if(displayWaitMessage){document.getElementById('waitMessage').style.display='inline';}
document.getElementById('largeImageCaption').style.display='none';previewImage.onload=function(){hideWaitMessageAndShowCaption(imageIndex-1);};previewImage.src=newSrc;}
function hideWaitMessageAndShowCaption(imageIndex)
{document.getElementById('waitMessage').style.display='none';document.getElementById('largeImageCaption').innerHTML=imageGalleryCaptions[imageIndex];document.getElementById('largeImageCaption').style.display='block';}
function initSlide(e)
{if(document.all)e=event;if(this.src.indexOf('over')<0)this.src=this.src.replace('.gif','-over.gif');slideSpeed=e.clientY+Math.max(document.body.scrollTop,document.documentElement.scrollTop)-getTopPos(this);if(this.src.indexOf('down')>=0){slideSpeed=(slideSpeed)*-1;}else{slideSpeed=arrowImageHeight-slideSpeed;}
slideSpeed=Math.round(slideSpeed*10/arrowImageHeight);}
function stopSlide()
{slideSpeed=0;this.src=this.src.replace('-over','');}
function slidePreviewPane()
{if(slideSpeed!=0){var topPos=previewImagePane.style.top.replace(/[^\-0-9]/g,'')/1;if(slideSpeed<0&&slideEndMarker.offsetTop<(previewImageParent.offsetHeight-topPos)){slideSpeed=0;}
topPos=topPos+slideSpeed;if(topPos>0)topPos=0;previewImagePane.style.top=topPos+'px';}
setTimeout('slidePreviewPane()',30);}
function revealThumbnail()
{this.style.filter='alpha(opacity=100)';this.style.opacity=1;}
function hideThumbnail()
{this.style.filter='alpha(opacity=50)';this.style.opacity=0.5;}
function initGalleryScript()
{previewImageParent=document.getElementById('theImages');previewImagePane=document.getElementById('theImages').getElementsByTagName('DIV')[0];previewImagePane.style.top='0px';galleryContainer=document.getElementById('galleryContainer');var images=previewImagePane.getElementsByTagName('IMG');for(var no=0;no<images.length;no++){images[no].onmouseover=revealThumbnail;images[no].onmouseout=hideThumbnail;}
slideEndMarker=document.getElementById('slideEnd');document.getElementById('arrow_up_image').onmousemove=initSlide;document.getElementById('arrow_up_image').onmouseout=stopSlide;document.getElementById('arrow_down_image').onmousemove=initSlide;document.getElementById('arrow_down_image').onmouseout=stopSlide;var divs=previewImageParent.getElementsByTagName('DIV');for(var no=0;no<divs.length;no++){if(divs[no].className=='imageCaption')imageGalleryCaptions[imageGalleryCaptions.length]=divs[no].innerHTML;}
slidePreviewPane();}