var glossary = new Array();


glossary['mole'] = "Moles are noncancerous growths formed from clusters of melanocytes and tissue. Moles are very common with most people having between 10 and 40 moles.<br />Moles can be:<br />&nbsp;&nbsp;&nbsp;- Pink, tan or brown in color<br />&nbsp;&nbsp;&nbsp;- Flat or raised<br />&nbsp;&nbsp;&nbsp;- Usually round or oval<br />&nbsp;&nbsp;&nbsp;- Usually smaller than a pencil eraser";

function glossaryTerm(term){
	return glossary[term.toLowerCase()];
}

function showGlossary(link,term){
	if (!link) return false;
	var div = document.getElementById("glossaryDiv");
	var newTerm = term;
	if (!div){
		document.body.innerHTML += "<div id='glossaryDiv' class='glossaryDiv' onMouseOver='this.style.visibility=\"visible\"; this.style.display=\"inline\"' onMouseOut='this.style.visibility=\"hidden\"; this.style.display=\"inline\";'></div>";
	}
	div = document.getElementById("glossaryDiv");
	var linkpos = getElementPosition(link);
	if (linkpos.left == 0 && linkpos.top == 0){ //some wierd bug where the first call to getElementPosition() returns 0,0 in some browsers.
		if (link.id == ""){
			link.id = "someLink" + Math.round(Math.random()*1000000);
		}
		setTimeout("showGlossary(document.getElementById('"+link.id+"'),'"+term+"');", 100);
		return false;
	}
	div.style.top = (linkpos.top+link.offsetHeight*1)+"px";
	div.style.left = linkpos.left+"px";
	div.innerHTML = "<b>"+term+"</b>";
	while (glossaryTerm(glossaryTerm(term)) > ""){
		newTerm = glossaryTerm(term);
		term = newTerm;
		div.innerHTML += " (" + newTerm + ")";
	}
	div.innerHTML += ":<br>"+glossaryTerm(term);
	div.style.visibility = "visible";
	div.style.display = "inline";
}

function hideGlossary(){
	var div = document.getElementById("glossaryDiv");
	div.style.visibility = "hidden";
	div.style.display = "none";
}

function getElementPosition(offsetTrail) {
	//from http://www.oreillynet.com/pub/a/javascript/excerpt/JSDHTMLCkbk_chap13/index6.html
	var offsetLeft = 0;
	var offsetTop = 0;
	while (offsetTrail) {
		offsetLeft += offsetTrail.offsetLeft;
		offsetTop += offsetTrail.offsetTop;
		try {
		offsetTrail = offsetTrail.offsetParent;
		} catch (e){
			break;
		}
	}
	if (navigator.userAgent.indexOf("Mac") != -1 && 
		typeof document.body.leftMargin != "undefined") {
		offsetLeft += document.body.leftMargin;
		offsetTop += document.body.topMargin;
	}
	return {left:offsetLeft, top:offsetTop};
}