function tooltip_show ( posx, posy, width, height, content ) {
	
	tt = document.getElementById ( "tooltip" );
	tt.style.position ="absolute";
	tt.style.left = posx;
	tt.style.top = posy;
	tt.style.width = width;
	tt.style.height = height;
	tt.style.display = "block";
	tt.innerHTML = content;
}

function tooltip_remove () {
	
	tt = document.getElementById ( "tooltip" );
	tt.style.display = "none";
}


function get_offsetLeft ( element ) {
	
	
	offset = 0;
	if ( element.offsetParent )
		offset = get_offsetLeft (element.offsetParent);
	
	return element.offsetLeft + offset;
}

function get_offsetTop ( element ) {
	
	
	offset = 0;
	if ( element.offsetParent )
		offset = get_offsetTop (element.offsetParent);
	
	return element.offsetTop + offset;
}