/***********************************************
  * Cool DHTML tooltip script II- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
  * This notice MUST stay intact for legal use
  * Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
  ***********************************************/

  var offsetfromcursorX=12;		//Customize x offset of tooltip
  var offsetfromcursorY=10;		//Customize y offset of tooltip

  var offsetdivfrompointerX=10;		//Customize x offset of tooltip DIV relative to pointer image
  var offsetdivfrompointerY=14;		//Customize y offset of tooltip DIV relative to pointer image.
					//Tip: Set it to (height_of_pointer_image-1).

  // Modified 11/29/2007 by TJC
  // Divs will be created in document where they are used; this is breaking other code.
  //document.write('<div id="dhtmltooltip"></div>');					//write out tooltip DIV
  //document.write('<img id="dhtmlpointer" src="/emuseum/images/SAM/toolArrow.gif">');	//write out pointer image

  var ie=document.all;
  var ns6=document.getElementById && !document.all;
  var enabletip=false;

  // Modified 11/29/2007 by TJC
  // Initialize tipobj, pointerobj as null, and assign them via a new function call, initddrive().
  var tipobj=null;
  var pointerobj=null;

  function initddrive(){
    if (ie||ns6) {
	  tipobj=document.all? document.all["dhtmltooltip"] : document.getElementById? document.getElementById("dhtmltooltip") : "";
	  pointerobj=document.all? document.all["dhtmlpointer"] : document.getElementById? document.getElementById("dhtmlpointer") : "";
    }
  }

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

  function ddrivetip(thetext, thewidth, thecolor){
    if (tipobj&&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 (tipobj&&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;