// JavaScript Document

function get_mouse_position(e){
	var mousePosition= new Object()
	if (!e) var e = window.event;
	if (e.pageX || e.pageY){
		posx = e.pageX;
		posy = e.pageY;
	}else if (e.clientX || e.clientY){
		var posLeft=document.documentElement.scrollLeft ?
			document.documentElement.scrollLeft :
			document.body.scrollLeft
		var posTop=document.documentElement.scrollTop ?
			document.documentElement.scrollTop :
		document.body.scrollTop
	 	posx = e.clientX + posLeft;
		posy = e.clientY + posTop;
	}
	mousePosition['x']=posx
	mousePosition['y']=posy
	return mousePosition
}
function el(el){
	return document.getElementById(el)
}
var show_instructor=''
function close_instructor(elem){
	el(show_instructor).style.display='none'
}
function instructor(elem,instructor,e){
	show_instructor=instructor
	mousePosition=get_mouse_position(e)
	var posx = mousePosition['x'];
	var posy = mousePosition['y'];
	var xoffset=posx>450?-550:50;
	el(instructor).style.top=posy-100+"px"
	el(instructor).style.left=(posx+xoffset)+"px"
	el(instructor).style.display='block'
}
var initial_menu=''
var active_menu=''
var menus=['classes','events','shop','teacher-training','programs','services','resources','about']
function show_menu(menu){
var name=menu.id.substr(0,menu.id.length-5)
	if(name!=active_menu){
		off_menu=el(active_menu+'_menu')
		off_menu.innerHTML=off_menu.innerHTML.replace('-on.png','.png')
		menu.innerHTML=menu.innerHTML.replace('.png','-on.png')
		el(active_menu).style.display='none'
		el(name).style.display='block'
		active_menu=name
	}
}

function init_menu(){
	var href = location.href
	// see if menu entry in menus array is in href
	for(var i=0;i<menus.length;i++){
		var menu=menus[i]
		if(href.search(menu) > -1 ){
			active_menu=menu
			break;
		}
	}

	if(active_menu==''){
	// assume it's a blog page if other than menu entry unless it's home
		if(!href.substr(href.length-4,4).match('com/')){
			active_menu='about'
		}else{
			active_menu='classes'
		}
	}

	initial_menu=active_menu
	var elem=el(active_menu+'_menu')
	elem.innerHTML=elem.innerHTML.replace('.png','-on.png')
	el(active_menu).style.display='block'
	var anchors=document.getElementsByTagName('A')

//alert(anchors[1].href)
//	for(var i=0;i<anchors.length){
//	}
}