/***********************************************
* Image Thumbnail Viewer Script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/
var thumbnailviewer={
enableTitle: true, enableAnimation: true, definefooter: '', defineLoading: 'Загрузка...',
scrollbarwidth: 16, opacitystring: 'filter:progid:DXImageTransform.Microsoft.alpha(opacity=10); -moz-opacity: 0.1; opacity: 0.1', targetlinks:[],
createthumbBox:function(){
document.write('<div id="thumbBox" onClick="thumbnailviewer.closeit()"><div id="thumbImage"></div>'+this.definefooter+'</div>')
document.write('<div id="thumbLoading">'+this.defineLoading+'</div>')
this.thumbBox=document.getElementById("thumbBox")
this.thumbImage=document.getElementById("thumbImage")
this.thumbLoading=document.getElementById("thumbLoading")
this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
},
centerDiv:function(divobj){
var ie=document.all && !window.opera
var dom=document.getElementById
var scroll_top=(ie)? this.standardbody.scrollTop : window.pageYOffset
var scroll_left=(ie)? this.standardbody.scrollLeft : window.pageXOffset
var docwidth=(ie)? this.standardbody.clientWidth : window.innerWidth-this.scrollbarwidth
var docheight=(ie)? this.standardbody.clientHeight: window.innerHeight
var docheightcomplete=(this.standardbody.offsetHeight>this.standardbody.scrollHeight)? this.standardbody.offsetHeight : this.standardbody.scrollHeight
var objwidth=divobj.offsetWidth
var objheight=divobj.offsetHeight
var topposition=(docheight>objheight)? scroll_top+docheight/2-objheight/2+"px" : scroll_top+10+"px"
divobj.style.left=docwidth/2-objwidth/2+"px"
divobj.style.top=Math.floor(parseInt(topposition))+"px"
divobj.style.visibility="visible"
},
showthumbBox:function(){
thumbnailviewer.thumbLoading.style.visibility="hidden"
this.centerDiv(this.thumbBox)
if (this.enableAnimation){
this.currentopacity=0.1
this.opacitytimer=setInterval("thumbnailviewer.opacityanimation()", 20)
}
},
loadimage:function(link){
if (this.thumbBox.style.visibility=="visible") this.closeit()
var imageHTML='<img src="'+link.getAttribute("href")+'" style="'+this.opacitystring+'">'
if (this.enableTitle && link.getAttribute("title")) imageHTML+='<br><small>'+link.getAttribute("title")+'</small>'
this.centerDiv(this.thumbLoading)
this.thumbImage.innerHTML=imageHTML
this.featureImage=this.thumbImage.getElementsByTagName("img")[0]
if (this.featureImage.complete) thumbnailviewer.showthumbBox()
else{
this.featureImage.onload=function(){
thumbnailviewer.showthumbBox()
}
}
if (document.all && !window.createPopup) this.featureImage.src=link.getAttribute("href")
this.featureImage.onerror=function(){
thumbnailviewer.thumbLoading.style.visibility="hidden"
}
},
setimgopacity:function(value){
var targetobject=this.featureImage
if (targetobject.filters && targetobject.filters[0]){
if (typeof targetobject.filters[0].opacity=="number") targetobject.filters[0].opacity=value*100
else targetobject.style.filter="alpha(opacity="+value*100+")"
}
else if (typeof targetobject.style.MozOpacity!="undefined") targetobject.style.MozOpacity=value
else if (typeof targetobject.style.opacity!="undefined") targetobject.style.opacity=value
else this.stopanimation()
},
opacityanimation:function(){
this.setimgopacity(this.currentopacity)
this.currentopacity+=0.1
if (this.currentopacity>1) this.stopanimation()
},
stopanimation:function(){
if (typeof this.opacitytimer!="undefined") clearInterval(this.opacitytimer)
},
closeit:function(){
this.stopanimation()
this.thumbBox.style.visibility="hidden"
this.thumbImage.innerHTML=""
this.thumbBox.style.left="-2000px"
this.thumbBox.style.top="-2000px"
},
cleanup:function(){
this.thumbLoading=null
if (this.featureImage) this.featureImage.onload=null
this.featureImage=null
this.thumbImage=null
for (var i=0; i<this.targetlinks.length; i++)
this.targetlinks[i].onclick=null
this.thumbBox=null
},
dotask:function(target, functionref, tasktype){
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(){
if (!this.enableAnimation) this.opacitystring=""
var pagelinks=document.getElementsByTagName("a")
for (var i=0; i<pagelinks.length; i++){ //BEGIN FOR LOOP
if (pagelinks[i].getAttribute("rel") && pagelinks[i].getAttribute("rel")=="thumbnail"){
pagelinks[i].onclick=function(){
thumbnailviewer.stopanimation()
thumbnailviewer.loadimage(this)
return false
}
this.targetlinks[this.targetlinks.length]=pagelinks[i]
}
}
this.dotask(window, function(){if (thumbnailviewer.thumbBox.style.visibility=="visible") thumbnailviewer.centerDiv(thumbnailviewer.thumbBox)}, "resize")
}
}
thumbnailviewer.createthumbBox()
thumbnailviewer.dotask(window, function(){thumbnailviewer.init()}, "load")
thumbnailviewer.dotask(window, function(){thumbnailviewer.cleanup()}, "unload")