//\  overLIB Fade In/Out Plugin
//\  Copyright Erik Bosrup 1998-2003. All rights reserved.
//\  See http://www.bosrup.com/web/overlib/ for details.

if(typeof olInfo=='undefined' || typeof olInfo.meets=='undefined' || !olInfo.meets(4.14))alert('overLIB 4.14 or later is required for the Fade In/Out Plugin.')
else{
registerCommands('fadein,fadeout,fadetime,opacity')
if(typeof ol_fadein=='undefined')var ol_fadein=0
if(typeof ol_fadeout=='undefined')var ol_fadeout=0
if(typeof ol_fadetime=='undefined')var ol_fadetime=500
if(typeof ol_opacity=='undefined')var ol_opacity=100
var o3_fadein=0
var o3_fadeout=0
var o3_fadetime=500
var o3_opacity=100
var o3_fadeInc,o3_fadeTimeInc,o3_fadeOpacity
var o3_finid,o3_foutid
function setFadeVariables(){
o3_fadein=ol_fadein
o3_fadeout=ol_fadeout
o3_fadetime=ol_fadetime
o3_opacity=ol_opacity
o3_finid=o3_foutid=0}
function parseFadeExtras(pf,i,ar){
var k=i,v
if(k<ar.length){
if(ar[k]==FADEIN){eval(pf+'fadein=('+pf+'fadein==0) ? 1 : 0');return k;}
if(ar[k]==FADEOUT){eval(pf+'fadeout=('+pf+'fadeout==0) ? 1 : 0');return k;}
if(ar[k]==FADETIME){eval(pf+'fadetime='+ar[++k]);return k;}
if(ar[k]==OPACITY){eval(pf+'opacity=setOpacity('+ar[++k]+')');return k;}}
return-1}
function setOpacity(op){
if(op<0)op*=-1
return(op<1 ? Math.round(100*op):(op>100 ? 100 : Math.round(op)))}
function chkFadeParams(){
var sgn
if(o3_fadein||o3_fadeout||(o3_opacity!=100)){
if(olNs4||(olIe4&&isMac))o3_fadein=o3_fadeout=0
else if(o3_fadein||o3_fadeout){
if(o3_fadeout&&o3_sticky)o3_fadeout=0
var numSteps=(document.all ? 10 : 20)
if(o3_fadein&&o3_fadeout)o3_fadeout=0
o3_fadeInc=o3_opacity/numSteps
sgn=(o3_fadein)? 1 :-1
o3_fadeInc*=sgn
o3_fadeOpacity=(o3_fadein ? 0 : o3_opacity)
o3_fadeTimeInc=parseInt(o3_fadetime/numSteps)}}
return true}
function nd(time){
if(olLoaded&&!isExclusive()){
if(o3_fadeout&&!o3_delay){
if(o3_timerid>0)clearTimeout(o3_timerid)
if(!o3_foutid){
if(time)setTimeout("o3_foutid=setInterval('doFadeOut()',"+o3_fadeTimeInc+")",time)
else o3_foutid=setInterval('doFadeOut()',o3_fadeTimeInc)}
}else{
if(time&&!o3_delay){
if(o3_timerid>0)clearTimeout(o3_timerid)
o3_timerid=setTimeout("cClick()",(o3_timeout=time))}
if(o3_removecounter>=1){o3_showingsticky=0}
if(o3_showingsticky==0){
o3_allowmove=0
if(over!=null&&(o3_compatmode ? 1 : o3_timerid==0))runHook("hideObject",FREPLACE,over)
}else o3_removecounter++}}
return true}
function doFadeOut(){
if(o3_fadeOpacity<0){
clearInterval(o3_foutid)
o3_foutid=0
runHook('hideObject',FREPLACE,over)
o3_allowmove=0
}else{
setBrowserOpacity(o3_fadeOpacity)
o3_fadeOpacity+=o3_fadeInc}}
function doFadeIn(){
if(o3_fadeOpacity>0.99*o3_opacity){
clearTimeout(o3_finid)
o3_finid=0
}else{
setBrowserOpacity(o3_fadeOpacity)
if(!o3_fadeOpacity&&over.style.visibility=='hidden')over.style.visibility='visible'
o3_fadeOpacity+=o3_fadeInc
o3_finid=setTimeout("doFadeIn()",o3_fadeTimeInc)}}
function setPUOpacity(op){
if(olNs4)return
op=(typeof op=='number')? op :(o3_fadein ? o3_fadeOpacity : o3_opacity)
setBrowserOpacity(op)
if(o3_fadein&&!o3_finid)doFadeIn()}
function cleanUpPUOpacity(){
if(olNs4)return
if(o3_fadein&&o3_finid)clearTimeout(o3_finid)
if(o3_fadeout&&o3_foutid)clearInterval(o3_foutid)
o3_finid=o3_foutid=0
cleanUpBrowserOpacity()}
function setBrowserOpacity(op,lyr){
if(olNs4||!op)return
lyr=(lyr)? lyr : over
if(olIe4&&typeof lyr.filters !='undefined'){
lyr.style.filter='Alpha(Opacity='+op+')'
lyr.filters.alpha.enabled=true
}else{
var sOp=(typeof(lyr.style.MozOpacity)!='undefined')? 'MozOpacity' :(typeof(lyr.style.KhtmlOpacity)!='undefined' ? 'KhtmlOpacity' :(typeof(lyr.style.opacity)!='undefined' ? 'opacity' : ''))
if(sOp)eval('lyr.style.'+sOp+'=op/100')}}
function cleanUpBrowserOpacity(lyr){
if(olNs4)return
lyr=(lyr)? lyr : over
if(olIe4&&typeof lyr.filters !='undefined'){
lyr.style.filter='Alpha(Opacity=100)'
lyr.filters.alpha.enabled=false
}else{
var sOp=(typeof(lyr.style.MozOpacity)!='undefined')? 'MozOpacity' :(typeof(lyr.style.KhtmlOpacity)!='undefined' ? 'KhtmlOpacity' :(typeof(lyr.style.opacity)!='undefined' ? 'opacity' : ''))
if(sOp)eval('lyr.style.'+sOp+'=""')}}
registerRunTimeFunction(setFadeVariables)
registerCmdLineFunction(parseFadeExtras)
registerPostParseFunction(chkFadeParams)
registerHook("showObject",setPUOpacity,FBEFORE)
registerHook('hideObject',cleanUpPUOpacity,FAFTER)
if(olInfo.meets(4.14))registerNoParameterCommands('fadein,fadeout')}