var nav_md=500;
var nav_ti=-1;
var nav_hidefirst = 0;
var nav_navMenu;

function make_dd_menu(e, menu_id)	{

		clearTimeout(nav_ti);

		if(nav_hidefirst == 0) {
			nav_hidefirst = 1;
		}

		var x=y=0;

		x = docjslib_getRealLeft('trp_' + menu_id);
		y = docjslib_getRealTop('trp_' + menu_id);
		
		y += 45;
		x += 5;

		var cnt = dd_menu['dd_' + menu_id];

		document.all["nav_menu"].style.display='block';
		document.all["nav_menu"].style.top = y; 
		document.all["nav_menu"].style.left = x; 
		document.all["nav_menu"].innerHTML = cnt;

		if(cnt == '') document.all["nav_menu"].style.display='none';

}

function nav_hide()	{
	if(nav_hidefirst == 1)	{
		document.all["nav_menu"].style.display='none';
	}
}

function docjslib_getRealLeft(imgElem) {
	xPos = eval(imgElem).offsetLeft;
	tempEl = eval(imgElem).offsetParent;
  	while (tempEl != null) {
  		xPos += tempEl.offsetLeft;
  		tempEl = tempEl.offsetParent;
  	}
	return xPos;
}

function docjslib_getRealTop(imgElem) {
	yPos = eval(imgElem).offsetTop;
	tempEl = eval(imgElem).offsetParent;
	while (tempEl != null) {
  		yPos += tempEl.offsetTop;
  		tempEl = tempEl.offsetParent;
  	}
	return yPos;
}