function show_tooltip(element,moveright,movedown)	{
//	offset = { 'quality': 9, 'delivery': 17, 'support': 24}
	a = $(element)
	pos = a.viewportOffset()
	t = $(element)
	t.setStyle('left: ' + (getAbsoluteLeft(element+'pic') + moveright) + 'px')
    t.setStyle('top: ' + (getAbsoluteTop(element+'pic') + movedown) + 'px')
//	t.appear({duration: 0.0, to: 1});
	t.show()
}

function hide_tooltip(element)	{
	t = $(element)
//	t.fade({duration: 0.2});
	t.hide()
}

function getAbsoluteLeft(objectId) {
	// Get an object left position from the upper left viewport corner
	o = document.getElementById(objectId)
	oLeft = o.offsetLeft            // Get left position from the parent object
	while(o.offsetParent!=null) {   // Parse the parent hierarchy up to the document element
		oParent = o.offsetParent    // Get parent object reference
		oLeft += oParent.offsetLeft // Add parent left position
		o = oParent
	}
	return oLeft
}

function getAbsoluteTop(objectId) {
	// Get an object top position from the upper left viewport corner
	o = document.getElementById(objectId)
	oTop = o.offsetTop            // Get top position from the parent object
	while(o.offsetParent!=null) { // Parse the parent hierarchy up to the document element
		oParent = o.offsetParent  // Get parent object reference
		oTop += oParent.offsetTop // Add parent top position
		o = oParent
	}
	return oTop
}