/*
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;}}
}