//array push/pop - IE5Mac

function p2h_push( v )

{

  this[this.length]=v;

}



function p2h_pop()

{

   if(this.length > 0)

   {

  var v = this[this.length -1];

  this.length--;

  return( v );

   }

}



function P2H_ImgSwap(divName, imgPath)

{

  var lyr =document.getElementById(divName);

  if(lyr)

  {

    lyr.style.background = 'url('+imgPath+')';

  }

}



function P2H_GetElementsByClass(className)

{

    var c=0;

    var i=0;

    var tagCollect = new Array();

    var tags = document.getElementsByTagName("*");

if(tags.length == 0){ /*  Safari 1.0 kludge. */ tags=document.getElementsByTagName("div"); }



    for (i=0; i < tags.length; i++)

    {

        if (tags[i].className==className)

        {

        tagCollect[c]=tags[i];

            c++;

        }

    }

    return(tagCollect);

}



function P2H_SetVisibilityByC(className, show)

{

   var arg = 'hidden';

   var i=0;

   if(show){ arg = 'visible';}

   var lyrArray = P2H_GetElementsByClass(className);

   for(i=0; i < lyrArray.length; i++)

   {

     lyrArray[i].style.visibility = arg;

   }

}



function P2H_Menu(menuClassName, delay, level)

{

  P2H_StopClock();

  window.p2h_delay=delay;

  P2H_SetMenu(menuClassName, level);

  P2H_SetVisibilityByC(menuClassName, true);

  P2H_SetVisibilityByC(menuClassName+"hide", false);

  if(level==0){P2H_SetVisibilityByC("hidey", false);}

}



function P2H_MenuItem(level)

{

  P2H_StopClock();

  P2H_ClearMenu(level);

}



function P2H_ClearMenu(level)

{

  if(window.p2h_popmenuarray)

  {

    while(window.p2h_popmenuarray.length > level)

    {

  var cname = p2h_popmenuarray.pop()

      P2H_SetVisibilityByC(cname, false);

  P2H_SetVisibilityByC(cname+"hide", true);

    }

  }

  if(level==0){ P2H_SetVisibilityByC("hidey", true); }

}



function P2H_SetMenu(menuClassName, level)

{

  if(! window.p2h_popmenuarray)

  { 

  window.p2h_popmenuarray = new Array(); 

if(!window.p2h_popmenuarray.push){window.p2h_popmenuarray.push=p2h_push;}

if(!window.p2h_popmenuarray.pop){window.p2h_popmenuarray.pop=p2h_pop;}

  }

  P2H_ClearMenu(level);

  window.p2h_popmenuarray.push(menuClassName);

}



function P2H_StopClock()

{

  if(window.p2h_timeoutid)

  {

    clearTimeout(window.p2h_timeoutid);

    window.p2h_timeoutid = null;

  }

}



function P2H_StartClock()

{

  if(p2h_delay == 0){ P2H_CloseMenu(); return;}

  P2H_StopClock();

  window.p2h_timeoutid = setTimeout('P2H_CloseMenu()', window.p2h_delay);

}



function P2H_CloseMenu()

{

  P2H_StopClock();

  P2H_ClearMenu(0);

}









function PW_GetElementsByTagClass(tagName, className)

{

    var c=0;

    var i=0;

    var tagCollect = new Array();

    var tags = document.getElementsByTagName(tagName);

    for (i=0; i < tags.length; i++)

    {

        if (tags[i].className==className)

        {

    tagCollect[c]=tags[i];

            c++;

        }

    }

    return(tagCollect);

}





function PW_SetDisplay(cName, show)

{

     var arg = 'none';

     var i=0;

     if(show){ arg = 'block';}

     var lyrArray = PW_GetElementsByTagClass('li', cName);

     if(lyrArray != null)

     {  

       for(i=0; i < lyrArray.length; i++)

       {

           lyrArray[i].style.display=arg;

       }

     }

}