// -------------------------------------------------------------------
// Image Thumbnail Viewer II- By Dynamic Drive, available at: http://www.dynamicdrive.com
// Last updated: Feb 5th, 2007
// -------------------------------------------------------------------

var thumbnailviewer2={
enableTitle: true, //Should "title" attribute of link be used as description?
enableTransition: true, //Enable fading transition in IE?
hideimgmouseout: false, //Hide enlarged image when mouse moves out of anchor link? (if enlarged image is hyperlinked, always set to false!)

/////////////No need to edit beyond here/////////////////////////

iefilterstring: 'progid:DXImageTransform.Microsoft.GradientWipe(GradientSize=1.0 Duration=0.7)', //IE specific multimedia filter string
iefiltercapable: document.compatMode && window.createPopup? true : false, //Detect browser support for IE filters
preloadedimages:[], //array to preload enlarged images (ones set to display "onmouseover"
targetlinks:[], //array to hold participating links (those with rel="enlargeimage:initType")
alreadyrunflag: false, //flag to indicate whether init() function has been run already come window.onload

loadimage:function(linkobj)
   {
   var imagepath=linkobj.getAttribute("method") //Get URL to enlarged image
   var showcontainer=document.getElementById(linkobj.getAttribute("rev").split("::")[0]) //Reference container on page to show enlarged image in
   //var dest=linkobj.getAttribute("rev").split("::")[1] //Get URL enlarged image should be linked to, if any
   var description=(thumbnailviewer2.enableTitle && linkobj.getAttribute("name"))? linkobj.getAttribute("name") : "" //Get title attr
   var imageHTML="<img src='http://www.fecomerciomg.org.br/downloads/"+imagepath+"' border='0'>" //Construct HTML for enlarged image
   if (typeof dest!="undefined") //Hyperlink the enlarged image?
      imageHTML=imageHTML
   if (description!="") //Use title attr of the link as description?
      imageHTML+='<br><center><font class=comentario_3>'+description+'</font></center>'
   if (this.iefiltercapable)
      { //Is this an IE browser that supports filters?
      showcontainer.style.filter=this.iefilterstring
      showcontainer.filters[0].Apply()
      }
   showcontainer.innerHTML=imageHTML
   this.featureImage=showcontainer.getElementsByTagName("img")[0] //Reference enlarged image itself
   this.featureImage.onload=function()
      { //When enlarged image has completely loaded
      if (thumbnailviewer2.iefiltercapable) //Is this an IE browser that supports filters?
      showcontainer.filters[0].Play()
      }
   this.featureImage.onerror=function()
      { //If an error has occurred while loading the image to show
      if (thumbnailviewer2.iefiltercapable) //Is this an IE browser that supports filters?
         showcontainer.filters[0].Stop()
      }
   },

   hideimage:function(linkobj)
      {
      var showcontainer=document.getElementById(linkobj.getAttribute("rev").split("::")[0]) //Reference container on page to show enlarged image in
      showcontainer.innerHTML=""
      },


   cleanup:function()
      { //Clean up routine on page unload
      if (this.featureImage)
         {this.featureImage.onload=null; this.featureImage.onerror=null; this.featureImage=null}
      this.showcontainer=null
      for (var i=0; i<this.targetlinks.length; i++)
         {
         this.targetlinks[i].onclick=null
         this.targetlinks[i].onmouseover=null
         this.targetlinks[i].onmouseout=null
         }
      },

   addEvent:function(target, functionref, tasktype)
      { //assign a function to execute to an event handler (ie: onunload)
      var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
      if (target.addEventListener)
         target.addEventListener(tasktype, functionref, false)
      else if (target.attachEvent)
      target.attachEvent(tasktype, functionref)
      },

   init:function()
      { //Initialize thumbnail viewer script
      this.iefiltercapable=(this.iefiltercapable && this.enableTransition) //True or false: IE filters supported and is enabled by user
      var pagelinks=document.getElementsByTagName("a")
      for (var i=0; i<pagelinks.length; i++)
         { //BEGIN FOR LOOP
         if (pagelinks[i].getAttribute("rel") && /enlargeimage:/i.test(pagelinks[i].getAttribute("rel")))
            { //Begin if statement: Test for rel="enlargeimage"
            var initType=pagelinks[i].getAttribute("rel").split("::")[1] //Get display type of enlarged image ("click" or "mouseover")
            if (initType=="mouseover")
               { //If type is "mouseover", preload the enlarged image for quicker display
               this.preloadedimages[this.preloadedimages.length]=new Image()
               this.preloadedimages[this.preloadedimages.length-1].src=pagelinks[i].href
               //pagelinks[i]["onclick"]=function(){ //Cancel default click action
               //return false
               //}
               }

pagelinks[i]["on"+initType]=function() { //Load enlarged image based on the specified display type (event)
thumbnailviewer2.loadimage(this)//Load image
return true
}

            if (this.hideimgmouseout)
               pagelinks[i]["onmouseout"]=function(){
                  thumbnailviewer2.hideimage(this)
               }
            this.targetlinks[this.targetlinks.length]=pagelinks[i] //store reference to target link
            } //end if statement
         } //END FOR LOOP
      } //END init() function
   }


if (document.addEventListener) //Take advantage of "DOMContentLoaded" event in select Mozilla/ Opera browsers for faster init
   thumbnailviewer2.addEvent(document, function(){thumbnailviewer2.alreadyrunflag=1; thumbnailviewer2.init()}, "DOMContentLoaded") //Initialize script on page load
else if (document.all && document.getElementsByTagName("a").length>0)
   { //Take advantage of "defer" attr inside SCRIPT tag in IE for instant init
   thumbnailviewer2.alreadyrunflag=1
   thumbnailviewer2.init()
   }
thumbnailviewer2.addEvent(window, function(){if (!thumbnailviewer2.alreadyrunflag) thumbnailviewer2.init()}, "load") //Default init method: window.onload
thumbnailviewer2.addEvent(window, function(){thumbnailviewer2.cleanup()}, "unload")