function _f_eh(e) {
	
	var y = e.offsetTop;
	var p = e.offsetParent;
	

	while (p != null) {
		y += p.offsetTop;
		
		if(p.offsetParent!=null && p.scrollTop)y-=p.scrollTop;

		p = p.offsetParent;
	}
	return y;
}
function _f_ew(e){
	var y = e.offsetLeft;
	var p = e.offsetParent;
	while (p != null) {
		y += p.offsetLeft;
		p = p.offsetParent;
	}
	return y;
}
function _f_pop(u,w,h){
	var l,t;
	l = (screen.width / 2) - w/2;
	t = (screen.height / 2) - h/2;	
	var newWin = window.open(u,'','width=' + w + ',height=' + h + ',left='+l+',top='+t + ',resizable=no,scrollbars=no,status=yes');
	newWin.focus();
}

function _F_getL(elem){	
	var x=elem.offsetLeft+elem.offsetWidth;
	while((elem=elem.offsetParent)!=null)x+=elem.offsetLeft;
	return x;
}
function _F_getT(elem){	
	var y=elem.offsetTop;
	while((elem=elem.offsetParent)!=null)y+=elem.offsetTop;
	return y;
}