//1) "always"- This makes the fade-in box load each time the page is displayed
//2) "oncepersession"- This uses cookies to display the fade-in box only once per browser session

var displaymode="always"
var enablefade="no" 
var autohidebox=["no", 5] 
var showonscroll="yes" 
var IEfadelength=1 
var Mozfadedegree=0.05 

if (parseInt(displaymode)!=NaN)
    var random_num=Math.floor(Math.random()*displaymode)

function displayfadeinbox(){
    var ie=document.all && !window.opera
    var dom=document.getElementById
    iebody=(document.compatMode=="CSS1Compat") ? document.documentElement : document.body
    objref=(dom) ? document.getElementById("fadeinbox") : document.all.fadeinbox
    var scroll_top=(ie) ? iebody.scrollTop : window.pageYOffset
    var docwidth=(ie) ? iebody.clientWidth : window.innerWidth
    docheight=(ie) ? iebody.clientHeight: window.innerHeight
    var objwidth=objref.offsetWidth
    objheight=objref.offsetHeight
    objref.style.left = docwidth / 2 - objwidth / 2 + "px"
    objref.style.top = scroll_top + docheight / 2 - objheight / 2 + "px"

    if (showonscroll=="yes")
        showonscrollvar=setInterval("staticfadebox()", 50)

    if (enablefade=="yes" && objref.filters){
        objref.filters[0].duration=IEfadelength
        objref.filters[0].Apply()
        objref.filters[0].Play()
    }

    objref.style.visibility="visible"
    
    if (objref.style.MozOpacity){
        if (enablefade=="yes")
            mozfadevar=setInterval("mozfadefx()", 90)
    else{
        objref.style.MozOpacity=1
        controlledhidebox()
    }
} else
controlledhidebox()
}

function mozfadefx(){
if (parseFloat(objref.style.MozOpacity)<1)
objref.style.MozOpacity=parseFloat(objref.style.MozOpacity)+Mozfadedegree
else{
clearInterval(mozfadevar)
controlledhidebox()
}
}

function staticfadebox(){
var ie=document.all && !window.opera
var scroll_top=(ie)? iebody.scrollTop : window.pageYOffset
objref.style.top=scroll_top+docheight/2-objheight/2+"px"
}

function hidefadebox(){
objref= document.getElementById("fadeinbox");
objref.style.visibility="hidden";
if (typeof showonscrollvar!="undefined")
clearInterval(showonscrollvar);
}

function controlledhidebox(){
if (autohidebox[0]=="yes"){
var delayvar=(enablefade=="yes" && objref.filters)? (autohidebox[1]+objref.filters[0].duration)*1000 : autohidebox[1]*1000
setTimeout("hidefadebox()", delayvar)
}
}

function initfunction(){
setTimeout("displayfadeinbox()", 100)
}

function get_cookie(Name) {
var search = Name + "="
var returnvalue = ""
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) {
offset += search.length
end = document.cookie.indexOf(";", offset)
if (end == -1)
end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))
}
}
return returnvalue;
}


if (displaymode=="oncepersession" && get_cookie("fadedin")=="" || displaymode=="always" || parseInt(displaymode)!=NaN && random_num==0){
if (window.addEventListener)
window.addEventListener("load", initfunction, false)
else if (window.attachEvent)
window.attachEvent("onload", initfunction)
else if (document.getElementById)
window.onload=initfunction
document.cookie="fadedin=yes"
}