// JavaScript Document

function png_display(i, w, h) {
	if (navigator.appName=='Microsoft Internet Explorer') { 
		document.write('<img src="/images/tdot.gif" alt="" width="' + w + '" height="' + h + '" style="filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=' + i + ', sizingMethod=scale)" />');
	} else {
		document.write('<img src="' + i + '" alt="" width="' + w + '" height="' + h + '" />');
	}
}


var hide_fn = false;

function f_get_element_pos(offsetTrail){
	var offsetLeft = 0;
	var offsetTop = 0;
	while(offsetTrail) {
		offsetLeft += offsetTrail.offsetLeft;
		offsetTop += offsetTrail.offsetTop;
		offsetTrail = offsetTrail.offsetParent;
	}
	return { left:offsetLeft, top:offsetTop }
}

function f_cancel_hide() {
	hide_fn = false;
}

function f_hide_footnote(id) {
	hide_fn = true;
	setTimeout("f_hide_footnote2('" + id + "')", 50);
}

function f_hide_footnote2(id) {
	if(hide_fn) {
		document.getElementById(id).style.display = 'none';
		return false;
	}
}

function f_show_footnote(evt, id) {
	for ( i = 0; i < menu_items.length; i++ ) {
		if ( menu_items[i] != id ) { hide_fn = true; f_hide_footnote2( menu_items[i] ); }
	}
	var winWidth = document.body.clientWidth;
	var evt = evt || window.event;
	var o = evt.target || evt.srcElement;
	var div = document.getElementById(id);
	var coords = f_get_element_pos(o);
	var w = 282;
	div.style.top = (coords.top) + 'px';
	//if((winWidth - coords.left) < w) 
	//	div.style.left = (coords.left - (w - (winWidth - coords.left))) + 'px';
	//else
		div.style.left = coords.left + 'px';
	div.style.display = 'none';
	div.style.display = 'block';
	evt.cancelBubble = true;
	return false;
}