/* --------- find pos x y --------------- */

function findPosX(obj) {
var curleft = 0;
if (obj.offsetParent) {
	while (obj.offsetParent) {
		curleft += obj.offsetLeft;
		obj = obj.offsetParent;
	}
}
else if (obj.x) {
	curleft += obj.x;
}
return curleft;
}

function findPosY(obj) {
var curtop = 0;
if (obj.offsetParent) {
	while (obj.offsetParent) {
		curtop += obj.offsetTop;
		obj = obj.offsetParent;
	}
}
else if (obj.y) {
	curtop += obj.y;
}
return curtop;
}


/* --------- add event --------------- */


var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
	
		add : function(node, sEventName, fHandler, bCapture){
			listEvents.push(arguments);
		},
	
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				}
				
				/* From this point on we need the event names to be prefixed with 'on" */
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				}
				
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				}
				
				item[0][item[1]] = null;
			}
		}
	};
}();

function addEvent(elm, evType, fn, useCapture) {
	if (elm.addEventListener) { 
	elm.addEventListener(evType, fn, useCapture); 
	return true; 
	}
	else if (elm.attachEvent) { 
	var r = elm.attachEvent('on' + evType, fn); 
	EventCache.add(elm, evType, fn);
	return r; 
	}
	else {
	elm['on' + evType] = fn;
	}
}
function getEventSrc(e) {
	if (!e) {
		e = window.event;
	}
	
	if (e.originalTarget) {
	return e.originalTarget;
	}
	else if (e.srcElement) {
	return e.srcElement;
	}
}
function addLoadEvent(func) {
var oldonload = window.onload;
	if (typeof window.onload != 'function') {
	window.onload = func;
	} else {
	window.onload = 
		function() {
		oldonload();
		func();
		};
	}
}




addEvent(window,'unload',EventCache.flush, false);







var tooltipLib = { 

	xCord : 0,
	yCord : 0,
	attachtooltipBehavior: function() {





	var links = [];
	var i;
		for ( i=0;i<appt_id.length;i++ ) {
		links[i] = document.getElementById(appt_id[i]);	
		addEvent(links[i],'mouseover',tooltipLib.tipOver,false);
		addEvent(links[i],'mouseout',tooltipLib.tipOut,false);
		addEvent(links[i],'mouseup',tooltipLib.clickit,true);
		links[i].setAttribute('dtl',appt_link_id[i]);
		links[i].setAttribute('tip',appt_tooltips[i]);
		//document.write(appt_id[i]);
		
		}
	},
	clickit: function(e) {
		obj = getEventSrc(e);
		obj = tooltipLib.checkNode(obj);
		
		dtl = obj.getAttribute('dtl');
		
		
		if (dtl) {
		id = dtl;
		}
		else {
		id = obj.id
		}
		
		//prev = $("evhd" + id).previousSibling;

			//if(prev.className == "event") {
			//lk = prev.id;
			//}
			//else {
			lk =  'evhd' + id;
			//}
			
			//18 sept 08
			document.location.href = ('#' + lk);
			//yft.fadeIn( ('evhd' + id),16);
		
		
	},
	tipOver: function(e) {
		obj = getEventSrc(e);
		tooltipLib.xCord = findPosX(obj);
		tooltipLib.yCord = findPosY(obj);
		tID = setTimeout("tooltipLib.tipShow(obj,'"+tooltipLib.xCord+"','"+tooltipLib.yCord+"')",500)
	},
	
	tipOut: function(e) {
		if ( window.tID )
		clearTimeout(tID);
		if ( window.opacityID )
		clearTimeout(opacityID);
		var l = getEventSrc(e);
		var div = document.getElementById('tooltip');
		if ( div ) {
		div.parentNode.removeChild(div);
		}
	},
	
	checkNode : function(obj) {
	var trueLink = obj;
		if ( trueLink.nodeName.toLowerCase() == 'td' ) {
		return trueLink;
		}
		while ( trueLink.nodeName.toLowerCase() != 'td' && trueLink.nodeName.toLowerCase() != 'body' )
		trueLink = trueLink.parentNode;
		return trueLink;
	},
	
	tipShow: function(obj,x,y) {
		var newDiv = document.createElement('div');
		var scrX = Number(x);
		var scrY = Number(y);
		var tp = parseInt(scrY-10);
		var lt = parseInt(scrX-210);
		var anch = tooltipLib.checkNode(obj);
		newDiv.id = 'tooltip';
		newDiv.style.clear = 'both';
		newDiv.style.top = tp+'px'; newDiv.style.left = lt+'px';
		document.body.appendChild(newDiv);
		newDiv.innerHTML = anch.getAttribute('tip');
		//newDiv.style.opacity = '.2';
		//tooltipLib.tipFade('tooltip',20);
	},
	tipFade: function(div,opac) {
		var obj = document.getElementById(div);
		var passed = parseInt(opac);
		var newOpac = parseInt(passed+20);
			if ( newOpac < 100 ) {
			obj.style.opacity = '.'+newOpac;
			obj.style.filter = "alpha(opacity:"+newOpac+")";
			opacityID = setTimeout("tooltipLib.tipFade('tooltip','"+newOpac+"')",20);
			}
			else { 
			obj.style.opacity = '.100';
			obj.style.filter = "alpha(opacity:100)";
			}
	}
};

function toggle(obj) {
	var el = document.getElementById(obj);
	el.style.display = (el.style.display != 'none' ? 'none' : '' );
}


addEvent(window,'load',tooltipLib.attachtooltipBehavior,false);