//Javascript Document - Tooltip Script
//Thank you!! http://codylindley.com/Javascript/219/finding-a-javascript-tool-tip-script
//Modifed 05/06/06 to support multiple class names to support any element.
//JJ May - http://www.mindsetinternational.com

//Edit the information between the quotes below with the path to your image.
var imagePath = "images/tooltiparrow.gif";
var toolTipClassNames = new Array (
	"addToolTip",
	"calendarlink",
	"anotherToolTip"
);

function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && document.all)? document.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];      
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }   
    }
    return (arrReturnElements)
}

function addTtBox(){
	for(j=0;j<toolTipClassNames.length;j++){
		var toolTipObjects = getElementsByClassName(document, "*", toolTipClassNames[j]);
		if (!toolTipObjects){ 
			return; 
		}
		for(var x=0;x!=toolTipObjects.length;x++){
			if(toolTipObjects[x].className == toolTipClassNames[j]){
				toolTipObjects[x].setAttribute("tooltiptext",toolTipObjects[x].title);
				toolTipObjects[x].removeAttribute("title");
				toolTipObjects[x].onmouseover=function gomouseover(){ddrivetip(this.getAttribute("tooltiptext"))};
				toolTipObjects[x].onmouseout=function gomouseout(){hideddrivetip();};
			}
		}
	}
}

var offsetfromcursorX=-7; //Customize x offset of tooltip
var offsetfromcursorY=23; //Customize y offset of tooltip

var offsetdivfrompointerX=13; //Customize x offset of tooltip DIV relative to pointer image
var offsetdivfrompointerY=13; //Customize y offset of tooltip DIV relative to pointer image. Tip: Set it to (height_of_pointer_image-1).

document.write('<div id="theToolTip"></div>'); //write out tooltip DIV
//document.write('<img id="ToolTipPointer" src="'+imagePath+'">'); //write out pointer image

var ie=document.all;
var ns6=document.getElementById && !document.all;
var enabletip=false;
if (ie||ns6) {
	var tipobj=document.all? document.all["theToolTip"] : document.getElementById? document.getElementById("theToolTip") : "";
}

//var pointerobj=document.all? document.all["ToolTipPointer"] : document.getElementById? document.getElementById("ToolTipPointer") : "";

function ietruebody(){
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
}

function ddrivetip(thetext, thewidth, thecolor){
	if (ns6||ie){
		if (typeof thewidth!=="undefined") {
			tipobj.style.width=thewidth+"px";
		}
		if (typeof thecolor!=="undefined" && thecolor!=="") {
			tipobj.style.backgroundColor=thecolor;
		}
		tipobj.innerHTML=thetext;
		enabletip=true;
		return false;
	}
}

function positiontip(e){
	if (enabletip){
		var nondefaultpos=false;
		var curX=(ns6)?e.pageX : event.clientX+ietruebody().scrollLeft;
		var curY=(ns6)?e.pageY : event.clientY+ietruebody().scrollTop;
		//Find out how close the mouse is to the corner of the window
		var winwidth=ie&&!window.opera? ietruebody().clientWidth : window.innerWidth-20;
		var winheight=ie&&!window.opera? ietruebody().clientHeight : window.innerHeight-20;
		
		var rightedge=ie&&!window.opera? winwidth-event.clientX-offsetfromcursorX : winwidth-e.clientX-offsetfromcursorX;
		var bottomedge=ie&&!window.opera? winheight-event.clientY-offsetfromcursorY : winheight-e.clientY-offsetfromcursorY;
		
		var leftedge=(offsetfromcursorX<0)? offsetfromcursorX*(-1) : -1000;

		//if the horizontal distance isn't enough to accomodate the width of the context menu
		if (rightedge<tipobj.offsetWidth){
			//move the horizontal position of the menu to the left by it's width
			tipobj.style.left=curX-tipobj.offsetWidth+"px";
			nondefaultpos=true;
		}
		else if (curX<leftedge){
			tipobj.style.left="5px";
		}
		else{
			//position the horizontal position of the menu where the mouse is positioned
			tipobj.style.left=curX+offsetfromcursorX-offsetdivfrompointerX+"px";
			//pointerobj.style.left=curX+offsetfromcursorX+"px";
		}

		//same concept with the vertical position
		if (bottomedge<tipobj.offsetHeight){
			tipobj.style.top=curY-tipobj.offsetHeight-offsetfromcursorY+"px";
			nondefaultpos=true;
		}
		else{
			tipobj.style.top=curY+offsetfromcursorY+offsetdivfrompointerY+"px";
			//pointerobj.style.top=curY+offsetfromcursorY+"px";
		}
		tipobj.style.visibility="visible";
		if (!nondefaultpos) {
			//pointerobj.style.visibility="visible";
		}
		else{
			//pointerobj.style.visibility="hidden";
		}
	}
}

function hideddrivetip(){
	if (ns6||ie){
		enabletip=false;
		tipobj.style.visibility="hidden";
		//pointerobj.style.visibility="hidden";
		tipobj.style.left="-1000px";
		tipobj.style.backgroundColor='';
		tipobj.style.width='';
	}
}

document.onmousemove=positiontip;
addTtBox();