/*Help Tip 1.12  Created by Erik Arvidsson
(http://webfx.eae.net/contact.html#erik)
For WebFX (http://webfx.eae.net/)
Copyright (c) 1999 - 2002 Erik Arvidsson*/

function showHelpTip(e, sHtml) {

	// find anchor element
	var el = e.target || e.srcElement;
	while (el.tagName != "A")
		el = el.parentNode;
	
	// is there already a tooltip? If so, remove it
	if (el._helpTip) {
		helpTipHandler.hideHelpTip(el);
	}

	helpTipHandler.hideSelects = Boolean(false);

	// create element and insert last into the body
	helpTipHandler.createHelpTip(el, sHtml);
	
	// position tooltip
	helpTipHandler.positionToolTip(e);

	// add a listener to the blur event.
	// When blurred remove tooltip and restore anchor
	el.onblur = helpTipHandler.anchorBlur;
	el.onkeydown = helpTipHandler.anchorKeyDown;
}

var helpTipHandler = {
	hideSelects:	false,
	
	helpTip:		null,
	
	showSelects:	function (bVisible) {
		if (!this.hideSelects) return;
		// only IE actually do something in here
		var selects = [];
		if (document.all)
			selects = document.all.tags("SELECT");
		var l = selects.length;
		for	(var i = 0; i < l; i++)
			selects[i].runtimeStyle.visibility = bVisible ? "" : "hidden";	
	},
	
	create:	function () {
		var d = document.createElement("DIV");
		d.className = "help-tooltip";
		d.onmousedown = this.helpTipMouseDown;
		d.onmouseup = this.helpTipMouseUp;
		document.body.appendChild(d);		
		this.helpTip = d;
	},
	
	createHelpTip:	function (el, sHtml) {
		if (this.helpTip == null) {
			this.create();
		}

		var d = this.helpTip;
		d.innerHTML = sHtml;
		d._boundAnchor = el;
		el._helpTip = d;
		return d;
	},
	
	// Allow clicks on A elements inside tooltip
	helpTipMouseDown:	function (e) {
		var d = this;
		var el = d._boundAnchor;
		if (!e) e = event;
		var t = e.target || e.srcElement;
		while (t.tagName != "A" && t != d)
			t = t.parentNode;
		if (t == d) return;
		
		el._onblur = el.onblur;
		el.onblur = null;
	},
	
	helpTipMouseUp:	function () {
		var d = this;
		var el = d._boundAnchor;
		el.onblur = el._onblur;
		el._onblur = null;
		el.focus();
	},	
	
	anchorBlur:	function (e) {
		var el = this;
		helpTipHandler.hideHelpTip(el);
	},
	
	anchorKeyDown:	function (e) {
		if (!e) e = window.event
		if (e.keyCode == 27) {	// ESC
			helpTipHandler.hideHelpTip(this);
		}
	},
	
	removeHelpTip:	function (d) {
		d._boundAnchor = null;
		d.style.filter = "none";
		d.innerHTML = "";
		d.onmousedown = null;
		d.onmouseup = null;
		d.parentNode.removeChild(d);
		//d.style.display = "none";
	},
	
	hideHelpTip:	function (el) {
		var d = el._helpTip;
		/*	Mozilla (1.2+) starts a selection session when moved
			and this destroys the mouse events until reloaded
		d.style.top = -el.offsetHeight - 100 + "px";
		*/		
		
		d.style.visibility = "hidden";
		//d._boundAnchor = null;

		el.onblur = null;
		el._onblur = null;
		el._helpTip = null;
		el.onkeydown = null;
		
		this.showSelects(true);
	},
	
	positionToolTip:	function (e) {
		this.showSelects(false);		
		var scroll = this.getScroll();
		var d = this.helpTip;
		
		// width
		if (d.offsetWidth >= scroll.width)
			d.style.width = scroll.width - 10 + "px";
		else
			d.style.width = "";
		
		// left
		if (e.clientX > scroll.width - d.offsetWidth)
			d.style.left = scroll.width - d.offsetWidth + scroll.left + "px";
		else
			d.style.left = e.clientX - 2 + scroll.left + "px";
		
		// top
		if (e.clientY + d.offsetHeight + 18 < scroll.height)
			d.style.top = e.clientY + 18 + scroll.top + "px";
		else if (e.clientY - d.offsetHeight > 0)
			d.style.top = e.clientY + scroll.top - d.offsetHeight + "px";
		else
			d.style.top = scroll.top + 5 + "px";
			
		d.style.visibility = "visible";
	},
	
	// returns the scroll left and top for the browser viewport.
	getScroll:	function () {
		if (document.all && typeof document.body.scrollTop != "undefined") {	// IE model
			var ieBox = document.compatMode != "CSS1Compat";
			var cont = ieBox ? document.body : document.documentElement;
			return {
				left:	cont.scrollLeft,
				top:	cont.scrollTop,
				width:	cont.clientWidth,
				height:	cont.clientHeight
			};
		}
		else {
			return {
				left:	window.pageXOffset,
				top:	window.pageYOffset,
				width:	window.innerWidth,
				height:	window.innerHeight
			};
		}
		
	}

};


/*All variables for all tooltips */

var key = "<table border=\"0\" cellspacing=\"0\" cellpadding=\"2\" class=\"sharptxt\"> \
  <tr align=\"center\">  \
    <td colspan=\"5\"><i>What's this mean?</i></td> \
  </tr> \
  <tr align=\"center\">  \
    <td class=\"keyHead\" colspan=\"5\"><b>General Abbreviation Key</b></td> \
  </tr> \
  <tr>  \
    <td class=\"sharpblue\">A/C</td> \
    <td>Air Conditioner </td> \
    <td width=\"32\">&nbsp;</td> \
    <td class=\"sharpblue\">NET</td> \
    <td>Broadband Internet</td> \
  </tr> \
  <tr>  \
    <td class=\"sharpblue\">BA</td> \
    <td>Bath</td> \
    <td>&nbsp;</td> \
    <td class=\"sharpblue\">PH</td> \
    <td>Telephone</td> \
  </tr> \
  <tr>  \
    <td class=\"sharpblue\">BD</td> \
    <td>Bedroom</td> \
    <td>&nbsp;</td> \
    <td class=\"sharpblue\">SAT</td> \
    <td>Satellite Dish</td> \
  </tr> \
  <tr>  \
    <td class=\"sharpblue\">CATV</td> \
    <td>Cable TV </td> \
    <td>&nbsp;</td> \
    <td class=\"sharpblue\">ST</td> \
    <td>Stereo</td> \
  </tr> \
  <tr>  \
    <td class=\"sharpblue\">CD</td> \
    <td>CD Player</td> \
    <td>&nbsp;</td> \
    <td class=\"sharpblue\">TV</td> \
    <td>Television</td> \
  </tr> \
  <tr>  \
    <td class=\"sharpblue\">DVD</td> \
    <td>  \
      <p>DVD Player</p> \
    </td> \
    <td>&nbsp;</td> \
    <td class=\"sharpblue\">VCR</td> \
    <td>Video Tape Player</td> \
  </tr> \
  <tr>  \
    <td class=\"sharpblue\">DW</td> \
    <td>Dishwasher</td> \
    <td>&nbsp;</td> \
    <td class=\"sharpblue\">W/D</td> \
    <td>Washer/Dryer</td> \
  </tr> \
  <tr>  \
    <td class=\"sharpblue\">FP</td> \
    <td>  \
      <p>Fireplace</p> \
    </td> \
    <td>&nbsp;</td> \
    <td class=\"sharpblue\">WS</td> \
    <td>Woodstove</td> \
  </tr> \
  <tr>  \
    <td class=\"sharpblue\">MW</td> \
    <td>Microwave</td> \
    <td>&nbsp;</td> \
    <td class=\"sharpblue\">&nbsp;</td> \
    <td>&nbsp;</td> \
  </tr> \
</table>"


