/*
    Header Information------------------------------------[Do Not Remove This Header]--
    Title: OO Dom Image Rollover
    Description: This script makes it easy to add rollover/ mousedown
    effects to any image on the page, including image submit buttons. Automatically
    preloads images as well. Script works in all DOM capable browsers- IE5+, NS6+,
    Opera7+.

    Legal: Copyright 2005 Adam Smith
    Author Email Address: ibulwark@hotmail.com
    Date Created: June 6, 2005
    Website: Codevendor.com | eBadgeman.com
    Script featured on Dynamic Drive: http://www.dynamicdrive.com
    -----------------------------------------------------------------------------------
*/

function imageholderclass(){
    this.over=new Array();
    this.down=new Array();
    this.src=new Array();
    this.store=store;

    function store(src, down, over){
        var AL=this.src.length;
        this.src[AL]=new Image(); this.src[AL].src=src;
        this.over[AL]=new Image(); this.over[AL].src=over;
        this.down[AL]=new Image(); this.down[AL].src=down;
    }
}

var ih = new imageholderclass();
var mouseisdown=0;

function preloader(t){
    for(i=0;i<t.length;i++){
        if(t[i].getAttribute('srcover')||t[i].getAttribute('srcdown')){

            storeimages(t[i]);
            var checker='';
            checker=(t[i].getAttribute('srcover'))?checker+'A':checker+'';
            checker=(t[i].getAttribute('srcdown'))?checker+'B':checker+'';

            switch(checker){
            case 'A' : mouseover(t[i]);mouseout(t[i]); break;
            case 'B' : mousedown(t[i]); mouseup2(t[i]); break;
            case 'AB' : mouseover(t[i]);mouseout(t[i]); mousedown(t[i]); mouseup(t[i]); break;
            default : return;
            }

            if(t[i].src){t[i].setAttribute("oldsrc",t[i].src);}
        }
    }
}
function mouseup(t){
    var newmouseup;
    if(t.onmouseup){
        t.oldmouseup=t.onmouseup;
        newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("srcover");this.oldmouseup();}

    }
    else{newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("srcover");}}
    t.onmouseup=newmouseup;
}

function mouseup2(t){
    var newmouseup;
    if(t.onmouseup){
        t.oldmouseup=t.onmouseup;
        newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("oldsrc");this.oldmouseup();}
        }
    else{newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("oldsrc");}}
    t.onmouseup = newmouseup;
}

function mousedown(t){
    var newmousedown;
    if(t.onmousedown){
        t.oldmousedown=t.onmousedown;
        newmousedown=function(){if(mouseisdown==0){this.src=this.getAttribute("srcdown");this.oldmousedown();}}
    }
    else{newmousedown=function(){if(mouseisdown==0){this.src=this.getAttribute("srcdown");}}}
    t.onmousedown=newmousedown;
}

function mouseover(t){
    var newmouseover;
    if(t.onmouseover){
        t.oldmouseover=t.onmouseover;
        newmouseover=function(){this.src=this.getAttribute("srcover");this.oldmouseover();}
    }
    else{newmouseover=function(){this.src=this.getAttribute("srcover");}}
    t.onmouseover=newmouseover;
}

function mouseout(t){
    var newmouseout;
    if(t.onmouseout){
        t.oldmouseout=t.onmouseout;
        newmouseout=function(){this.src=this.getAttribute("oldsrc");this.oldmouseout();}
    }
    else{newmouseout=function(){this.src=this.getAttribute("oldsrc");}}
    t.onmouseout=newmouseout;
}

function storeimages(t){
    var s=(t.getAttribute('src'))?t.getAttribute('src'):'';
    var d=(t.getAttribute('srcdown'))?t.getAttribute('srcdown'):'';
    var o=(t.getAttribute('srcover'))?t.getAttribute('srcover'):'';
    ih.store(s,d,o);
}

function preloadimgsrc(){
    if(!document.getElementById) return;
    var it=document.getElementsByTagName('IMG');
    var it2=document.getElementsByTagName('INPUT');
    preloader(it);
    preloader(it2);
}

if(window.addEventListener){window.addEventListener("load", preloadimgsrc, false);}
else{
    if(window.attachEvent){window.attachEvent("onload", preloadimgsrc);}
    else{if(document.getElementById){window.onload=preloadimgsrc;}}
}