rolls = new Array(); numRolls=0;



function PPFindObj(n, d) {

  var p,i,x;

  if( !d ) d=document; 

  if((p=n.indexOf("?"))>0&&parent.frames.length) { d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p); }

  if( !(x=d[n])&&d.all ) x=d.all[n]; 

  for( i=0;!x&&i<d.forms.length;i++ ) x=d.forms[i][n];

  for( i=0;!x&&d.layers&&i<d.layers.length;i++ ) x=PPFindObj(n,d.layers[i].document); 

  return x;

}



function PPImgFind(name) {

  if (document.images)

    for(var i=0;i<numRolls;i++)

      if( name == rolls[i].name ) return rolls[i];

  return null;

}



function PPImgAction( action, name, roll ) {

  if( !roll ) roll = PPImgFind(name); var obj = PPFindObj(name); if (roll && obj)

  {

    if( action == 'over' ) obj.src = roll.down ? roll.imgDownOver.src : roll.imgOver.src;

    else if( action == 'out' ) { obj.src = roll.down ? (roll.radio ? roll.imgDown.src : roll.imgNormal.src) : roll.imgNormal.src; if(!roll.radio) roll.down = false; }

    else if( action == 'down') {

      roll.down = true; PPImgAction('over',name,roll);

      if( roll.radio ) {

        for( var i=0;i<numRolls;i++ )

          if( rolls[i].radio && rolls[i].name != name ) { rolls[i].down=false; PPImgAction('out',rolls[i].name,rolls[i]);}}

      }

      else if(action =='up') { if(!roll.radio) {roll.down = false; PPImgAction('over',name,roll);}}

}}



function PPImg( name,normal,over,down,downover,initDown,radio ) {

  this.name = name;

  this.imgNormal = new Image(); this.imgNormal.src  = normal; 

  this.imgOver = new Image(); this.imgOver.src  = over; 

  this.imgDown = new Image(); this.imgDown.src  = down; 

  this.imgDownOver = new Image(); this.imgDownOver.src = downover; 

  this.down = initDown; this.over = false; this.radio = radio;

}



function PPImgInit( name,normal,over,down,downover,initDown,radio ) { if (document.images) rolls[numRolls++] = new PPImg(name,normal,over,down,downover,initDown,radio); }