/*javascript for Bubble Tooltips by Alessandro Fulciniti
- http://pro.html.it - http://web-graphics.com 

Heavily Moded by Nick Muler of Ideagrow - http://www.ideagrow.com
*/

function enableTooltips(id)
{
	var links,i,h;
	if(!document.getElementById || !document.getElementsByTagName) return;
	h = document.createElement("span");
	h.id = "btc";
	h.setAttribute("id","btc");
	h.style.position = "absolute";
	document.getElementsByTagName("body")[0].appendChild(h);
	if(id == null) links = document.getElementsByName("def");
	else links = document.getElementById(id).getElementsByName("def");
	
	for(i=0;i<links.length;i++)
	{
		Prepare(links[i]);
	}
}

function Prepare(el)
{
	var tooltip,t,b,s,l;
	t = el.innerHTML;
	 
	if(t == null || t.length == 0) t = "link:";
	
	el.removeAttribute("title");
	tooltip = CreateEl("span","tooltip");
	s = CreateEl("span","top");
	s.appendChild(document.createTextNode(t));
	tooltip.appendChild(s);
	b = CreateEl("b","bottom");
	l = el.getAttribute("descript");
	
	var tempMarkDownArray = l.split('<br />');
	for(i=0;i<tempMarkDownArray.length;i++)
	{
		b.appendChild(document.createTextNode(tempMarkDownArray[i]));
		if((i+1) != tempMarkDownArray.length) b.appendChild(document.createElement('br'));
		tooltip.appendChild(b);
	}
	
	setOpacity(tooltip);
	el.tooltip = tooltip;
	el.onmouseover = showTooltip;
	el.onmouseout = hideTooltip;
	el.onmousemove = Locate;
}

function showTooltip(e)
{
	document.getElementById("btc").appendChild(this.tooltip);
	Locate(e);
}

function hideTooltip(e)
{
	var d = document.getElementById("btc");
	if(d.childNodes.length>0) d.removeChild(d.firstChild);
}

function setOpacity(el)
{
	el.style.filter = "alpha(opacity:90)";
	el.style.KHTMLOpacity = "0.90";
	el.style.MozOpacity = "0.90";
	el.style.opacity = "0.90";
}

function CreateEl(t,c)
{
	var x = document.createElement(t);
	x.className = c;
	x.style.display = "block";
	return(x);
}

function Locate(e)
{
	var posx = 0,posy = 0;
	if(e == null) e = window.event;
	if(e.pageX || e.pageY)
	{
    	posx = e.pageX;
		posy = e.pageY;
    }
	else if(e.clientX || e.clientY)
	{
    	if(document.documentElement.scrollTop)
		{
        	posx = e.clientX+document.documentElement.scrollLeft;
        	posy = e.clientY+document.documentElement.scrollTop;
        }
    	else
		{
        	posx = e.clientX+document.body.scrollLeft;
        	posy = e.clientY+document.body.scrollTop;
        }
    }
	
	
	var iebody=(document.compatMode && document.compatMode != "BackCompat")? document.documentElement : document.body
	var dsocleft=document.all? iebody.scrollLeft : pageXOffset
	var dsoctop=document.all? iebody.scrollTop : pageYOffset
	
	var visiHeight=document.all? iebody.offsetHeight : window.innerHeight;
	var visiWidth=document.all? iebody.offsetWidth : window.innerWidth;
		
	var toolTipBox = document.getElementById("btc");
	
	if((posx+toolTipBox.offsetWidth)>visiWidth)
	{
		toolTipBox.style.left = (posx-20-toolTipBox.offsetWidth)+"px";
	}
	else
	{
		toolTipBox.style.left = (posx+20)+"px";
	}
	
	
	if((posy-((toolTipBox.offsetHeight/2)+dsoctop))<0)
	{
		toolTipBox.style.top = posy+"px";
	}
	else if((posy+(toolTipBox.offsetHeight/2))>visiHeight)
	{
		toolTipBox.style.top = posy-toolTipBox.offsetHeight+"px";
	}
	else
	{
		toolTipBox.style.top = (posy-(toolTipBox.offsetHeight/2))+"px";
	}
}