//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;
       	}
     }
}