function show_tip(tipid)
{
	destobj = document.getElementById(tipid);
	if (tipid == "amount")
	  tipbox = document.getElementById("tip_amount");
	if (tipid == "term")
	  tipbox = document.getElementById("tip_term");
	if (tipid == "interest")
	  tipbox = document.getElementById("tip_interest");
	if (tipid == "frequency")
	  tipbox = document.getElementById("tip_frequency");
	objpos = getAbsolutePosition(destobj);
	tipbox.style.left = destobj.offsetWidth + objpos[0] + 10;
	tipbox.style.top=objpos[1] - 10;
	tipbox.style.visibility="visible";
};
function hide_tip()
{
	document.getElementById("tip_amount").style.visibility="hidden";
	document.getElementById("tip_term").style.visibility="hidden";
	document.getElementById("tip_interest").style.visibility="hidden";
	document.getElementById("tip_frequency").style.visibility="hidden";
};
function getAbsolutePosition(oNode)
{
	var oCurrentNode=oNode;
	var iLeft=0;
	var iTop=0;
	while(oCurrentNode.tagName != "BODY")
	{
		iTop += oCurrentNode.offsetTop;
		iLeft += oCurrentNode.offsetLeft;
		oCurrentNode = oCurrentNode.offsetParent;
	}
	return Array(iLeft, iTop);
};