/**********************************************************************************   
Dynamic Tooltips 
*   Copyright (C) 2001 Michael van Ouwerkerk
*********************************************************************************/
function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=(navigator.userAgent.indexOf("Opera")>-1 && document.getElementById)?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie7=(this.ver.indexOf("MSIE 7")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6||this.ie7
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie7 || this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw=lib_bwcheck()
var defaultpos=true;
// Variables to set:

// Write your descriptions in here.

// To have more descriptions just add to the array.

if(defaultpos){
fromX= -1           // How much from the actual mouse X should the description box appear?
fromY= 10 			// How much from the actual mouse Y should the description box appear?
};     
ns4center= 1        // Centering the text in ns4 doesn't work with css, use this variable instead... the value is 1 or 0
useFading= 0        // 1 for a fading effect in windows explorer 5+ and all platforms ns6, 0 for no fading effect.
animation= 0        // 1 if you want animation, 0 for no animation.
detectiontype= 1    // 1 for 'smooth' window size detection, 0 for 'flip' window size detection.
delay= 0          // The time before showing the popup, in milliseconds.


/*** There should be no need to change anything beyond this. ***/ 

// A unit of measure that will be added when setting the position of a layer.
var px = bw.ns4||window.opera?"":"px";
if(document.layers){ //NS4 resize fix.
    scrX= innerWidth; scrY= innerHeight;
    onresize= function(){if(scrX!= innerWidth || scrY!= innerHeight){history.go(0)} };
}

// object constructor...
function makeTooltip(obj){								
   	this.elm= document.getElementById? document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?document.layers[obj]:0;
   	this.css= bw.ns4?this.elm:this.elm.style;
   	this.wref= bw.ns4?this.elm.document:this.elm;
	this.obj= obj+'makeTooltip'; eval(this.obj+'=this');
	this.w= bw.ns4? this.elm.clip.width: this.elm.offsetWidth;
	this.h= bw.ns4? this.elm.clip.height: this.elm.offsetHeight;
};
makeTooltip.prototype.measureIt= function(){
	this.w= bw.ns4? this.elm.clip.width: this.elm.offsetWidth;
	this.h= bw.ns4? this.elm.clip.height: this.elm.offsetHeight;
};
makeTooltip.prototype.writeIt= function(text){
	if (bw.ns4 && mac) {this.wref.write(text); this.wref.close()}
	this.wref.innerHTML= text;
	
};

// Mousemove detection
var mouseX=0,mouseY=0,setX=0,setY=0;
function getMousemove(e){
	mouseX= (bw.ns4||bw.ns6)? e.pageX: bw.ie&&bw.win&&!bw.ie4? (event.clientX-2)+document.body.scrollLeft : event.clientX+document.body.scrollLeft;
	mouseY= (bw.ns4||bw.ns6)? e.pageY: bw.ie&&bw.win&&!bw.ie4? (event.clientY-2)+document.body.scrollTop : event.clientY+document.body.scrollTop;
	if (isLoaded && hovering && animation) placeIt();
};
function placeIt(){
	if (detectiontype==1) setX= mouseX+fromX+tooltip.w > screenWscrolled ? screenWscrolled-tooltip.w: mouseX+fromX;
	if (detectiontype==1) setY= mouseY+fromY+tooltip.h > screenHscrolled ? screenHscrolled-tooltip.h: mouseY+fromY;
	if (detectiontype==0) setX= mouseX+fromX+tooltip.w > screenWscrolled ? mouseX-fromX-tooltip.w: mouseX+fromX;
	if (detectiontype==0) setY= mouseY+fromY+tooltip.h > screenHscrolled ? mouseY-fromY-tooltip.h: mouseY+fromY;
	if (setX<0) setX= 0;
	if (setY<0) setY= 0;
	tooltip.css.left= setX+px;
	tooltip.css.top= setY+px;
};

// Main popUp function.
var hovering=false, screenWscrolled=0, screenHscrolled=0;
makeTooltip.prototype.showTimer= null;
function popUp(anchorid,num){
	var body= eval('iicon_text_'+num);
	defaultpos=true;
	if(isLoaded){
		clearTimeout(tooltip.popTimer);
		dopopOut();
		var text= '<table width="100%" border="0" cellpadding="2" cellspacing="0"><tr><td class="bodytextsmall">' + body + '<br /></td><td align="right" valign="top"><a href="javascript:void(0);" onclick="popOut()" class="iiconclose">X</a></td></tr></table>'
		if (bw.ns4 && !mac){
			testpopup2.showPopup(anchorid,num);
		}
		if (bw.ns4 && mac){
			var text= '<span class="netscape4Style"><table width="100%" border="0" cellpadding="2" cellspacing="0"><tr><td class="bodytextsmall">' + body + '<br /></td><td align="right" valign="top"><a href="javascript:void(0);" onclick="popOut()"><img name="imgiicon_close" src="https://cisco.netacad.net/cnamsassets/images/common/btn_iicon_close.gif" alt="Close" border="0" /></a></td></tr></table></span>'
			tooltip.writeIt(text);
		}
		if (!bw.ns4) 
		{
	 	 tooltip.writeIt(text);
		}
		screenWscrolled= screenW + (bw.ie?document.body.scrollLeft:pageXOffset);
		screenHscrolled= screenH + (bw.ie?document.body.scrollTop:pageYOffset);
		hovering= false;
		
		/* I'm using a timeout for ie4 here, because it doesn't store the measurements quickly enough. Does anybody know why this happens? */
		if (bw.ie) setTimeout('tooltip.measureIt(); placeIt();', delay/2);
		else { tooltip.measureIt(); placeIt(); }
		//if (useFading) tooltip.showTimer= setTimeout('tooltip.blendIn()', delay);
		if (!useFading) tooltip.showTimer= setTimeout('tooltip.css.visibility="visible"', delay);
    	
	}
};
//created this function to reposition div in pages especially over form elements.
function posPopUp(anchorid,num,xnum,ynum){
	var body= eval('iicon_text_'+num);
	//defaultpos=false;
	if(isLoaded){
		clearTimeout(tooltip.popTimer);
		dopopOut();
		var text= '<table width="100%" border="0" cellpadding="2" cellspacing="0"><tr><td class="bodytextsmall">' + body + '<br /></td><td align="right" valign="top"><a href="javascript:void(0);" onclick="popOut()" class="iiconclose">X</a></td></tr></table>'
		if (bw.ns4 && !mac){
			testpopup2.showPopup(anchorid,num);
		}
		if (bw.ns4 && mac){
			var text= '<span class="netscape4Style"><table width="100%" border="0" cellpadding="2" cellspacing="0"><tr><td class="bodytextsmall">' + body + '<br /></td><td align="right" valign="top"><a href="javascript:void(0);" onclick="popOut()"><img name="imgiicon_close" src="https://cisco.netacad.net/cnamsassets/images/common/btn_iicon_close.gif" alt="Close" border="0" /></a></td></tr></table></span>'
			tooltip.writeIt(text);
		}
		if (!bw.ns4) tooltip.writeIt(text);
		screenWscrolled= screenW + (bw.ie?document.body.scrollLeft:pageXOffset);
		screenHscrolled= screenH + (bw.ie?document.body.scrollTop:pageYOffset);
		hovering= false;
		
		/* I'm using a timeout for ie4 here, because it doesn't store the measurements quickly enough. Does anybody know why this happens? */
		fromX = xnum;
		fromY = ynum;
		if (bw.ie4) setTimeout('tooltip.measureIt(); placeIt();', delay/2);
		else { tooltip.measureIt(); placeIt(); }
		//if (useFading) tooltip.showTimer= setTimeout('tooltip.blendIn()', delay);
		if (!useFading) tooltip.showTimer= setTimeout('tooltip.css.visibility="visible"', delay);
    }
	fromX= -1           
	fromY= 10
};
// Hiding routines
makeTooltip.prototype.popTimer= null;
function popOut(){
	if (isLoaded) tooltip.popTimer= setTimeout('dopopOut()', 30)
	
};
function dopopOut(){
	hovering= false;
	clearTimeout(tooltip.showTimer);
	tooltip.css.visibility= 'hidden';
	clearTimeout(tooltip.fadeTimer);
	tooltip.i= 0;
	
};

// Measure screensize.
var scrollbarWidth= bw.ns6&&bw.win?14:bw.ns6&&!bw.win?16:bw.ns4?16:0;
function measureScreen() {
	tooltip.css.top= 0+px;
	tooltip.css.left= 0+px;
	screenW= (bw.ie?document.body.clientWidth:innerWidth) - scrollbarWidth;
	screenH= (bw.ie?document.body.clientHeight:innerHeight);
};


// Init function...
var isLoaded= false;
function popupInit(){
	//Extending the browsercheck to add windows platform detection.
	bw.win= (navigator.userAgent.indexOf('Windows')>-1)

	tooltip= new makeTooltip('divTooltip');
	tooltip.elm.onmouseover= function(){ clearTimeout(tooltip.popTimer); if(bw.ns4){setTimeout('clearTimeout(tooltip.popTimer)',20)}; };
	//tooltip.elm.onmouseout= dopopOut;
	if (bw.ns4) document.captureEvents(Event.MOUSEMOVE);
	document.onmousemove= getMousemove;
	measureScreen();
	if (!bw.ns4) onresize= measureScreen;
	if (!bw.ns4) tooltip.elm.className= 'normalStyle';
	//if (bw.ie && bw.win && !bw.ie4) tooltip.css.filter= 'alpha(opacity=100)'; //Preloads the windows filters.
	isLoaded= true;
};

// ===================================================================
// Author: Matt Kruse <matt@mattkruse.com>
// WWW: http://www.mattkruse.com/
// ===================================================================

// getAnchorPosition(anchorname)
//   This function returns an object having .x and .y properties which are the coordinates
//   of the named anchor, relative to the page.
function getAnchorPosition(anchorname) {
	// This function will return an Object with x and y properties
	var useWindow=false;
	var coordinates=new Object();
	var x=0,y=0;
	// Browser capability sniffing
	var use_gebi=false, use_css=false, use_layers=false;
	if (document.getElementById) { use_gebi=true; }
	else if (document.all) { use_css=true; }
	else if (document.layers) { use_layers=true; }
	// Logic to find position
 	if (use_gebi && document.all) {
		x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
		y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
		}
	else if (use_gebi) {
		var o=document.getElementById(anchorname);
		x=o.offsetLeft; y=o.offsetTop;
		}
 	else if (use_css) {
		x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
		y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
		}
	else if (use_layers) {
		var found=0;
		for (var i=0; i<document.anchors.length; i++) {
			if (document.anchors[i].name==anchorname) { found=1; break; }
			}
		if (found==0) {
			coordinates.x=0; coordinates.y=0; return coordinates;
			}
		x=document.anchors[i].x;
		y=document.anchors[i].y;
		}
	else {
		coordinates.x=0; coordinates.y=0; return coordinates;
		}
	coordinates.x=x;
	coordinates.y=y;
	return coordinates;
	}

// getAnchorWindowPosition(anchorname)
//   This function returns an object having .x and .y properties which are the coordinates
//   of the named anchor, relative to the window
function getAnchorWindowPosition(anchorname) {
	var coordinates=getAnchorPosition(anchorname);
	var x=0;
	var y=0;
	if (document.getElementById) {
		if (isNaN(window.screenX)) {
			x=coordinates.x-document.body.scrollLeft+window.screenLeft;
			y=coordinates.y-document.body.scrollTop+window.screenTop;
			}
		else {
			x=coordinates.x+window.screenX+(window.outerWidth-window.innerWidth)-window.pageXOffset;
			y=coordinates.y+window.screenY+(window.outerHeight-24-window.innerHeight)-window.pageYOffset;
			}
		}
	else if (document.all) {
		x=coordinates.x-document.body.scrollLeft+window.screenLeft;
		y=coordinates.y-document.body.scrollTop+window.screenTop;
		}
	else if (document.layers) {
		x=coordinates.x+window.screenX+(window.outerWidth-window.innerWidth)-window.pageXOffset;
		y=coordinates.y+window.screenY+(window.outerHeight-24-window.innerHeight)-window.pageYOffset;
		}
	coordinates.x=x;
	coordinates.y=y;
	return coordinates;
	}

// Functions for IE to get position of an object
function AnchorPosition_getPageOffsetLeft (el) {
	var ol=el.offsetLeft;
	while ((el=el.offsetParent) != null) { ol += el.offsetLeft; }
	return ol;
	}
function AnchorPosition_getWindowOffsetLeft (el) {
	return AnchorPosition_getPageOffsetLeft(el)-document.body.scrollLeft;
	}	
function AnchorPosition_getPageOffsetTop (el) {
	var ot=el.offsetTop;
	while((el=el.offsetParent) != null) { ot += el.offsetTop; }
	return ot;
	}
function AnchorPosition_getWindowOffsetTop (el) {
	return AnchorPosition_getPageOffsetTop(el)-document.body.scrollTop;
	}

/* 
PopupWindow.js
Author: Matt Kruse
Last modified: 3/21/02
*/ 

// Set the position of the popup window based on the anchor

function PopupWindow_getXYPosition(anchorname) {
	var coordinates;
	if (this.type == "WINDOW") {
		coordinates = getAnchorWindowPosition(anchorname);
		}
	else {
		coordinates = getAnchorPosition(anchorname);
		}
	this.x = coordinates.x;
	this.y = coordinates.y;
	}
// Set width/height of DIV/popup window
function PopupWindow_setSize(width,height) {
	this.width = width;
	this.height = height;
	}
// Fill the window with contents
function PopupWindow_populate(contents) {
	textbody = eval('iicon_text_'+contents);
	contents = "<HTML><HEAD><TITLE>I-icon</TITLE><STYLE>.bodytextsmall {font-family: Arial, Helvetica, sans-serif;font-size: 12px;color: #000000;}</STYLE></HEAD>\n";
	contents += "<BODY MARGINWIDTH=0 MARGINHEIGHT=0 TOPMARGIN=0 RIGHTMARGIN=0 LEFTMARGIN=0 BGCOLOR=#99CCCC>\n";
	contents +='<table width="100%" height="100%" border="0" cellpadding="2" cellspacing="0" valign="top" bgcolor="#99CCCC"><tr><td width="2"><spacer type="block" width="1" height="1" /></td><td class="bodytextsmall" valign="top">' + textbody + '<br /></td></tr></table>\n';
	contents += "</BODY></HTML>\n";
	this.contents= contents;
	//alert(contents);
	this.populated = false;
	}
// Refresh the displayed contents of the popup
function PopupWindow_refresh() {
	if (this.divName != null) {
		// refresh the DIV object
		if (this.use_gebi) {
			document.getElementById(this.divName).innerHTML = this.contents;
			}
		else if (this.use_css) { 
			document.all[this.divName].innerHTML = this.contents;
			}
		else if (this.use_layers) { 
			var d = document.layers[this.divName]; 
			d.document.open();
			d.document.writeln(this.contents);
			d.document.close();
			}
		}
	else {
		if (this.popupWindow != null && !this.popupWindow.closed) {
			this.popupWindow.document.open();
			this.popupWindow.document.writeln(this.contents);
			this.popupWindow.document.close();
			this.popupWindow.focus();
			}
		}
	}
// Position and show the popup, relative to an anchor object
function PopupWindow_showPopup(anchorname,num) {
	this.num = num;
	this.getXYPosition(anchorname);
	this.x += this.offsetX;
	this.y += this.offsetY;
	this.populate(num);
	if (!this.populated && (this.contents != "")) {
		this.populated = true;
		this.refresh();
		}
	if (this.divName != null) {
		// Show the DIV object
		if (this.use_gebi) {
			document.getElementById(this.divName).style.left = this.x;
			document.getElementById(this.divName).style.top = this.y;
			document.getElementById(this.divName).style.visibility = "visible";
			}
		else if (this.use_css) {
			document.all[this.divName].style.left = this.x;
			document.all[this.divName].style.top = this.y;
			document.all[this.divName].style.visibility = "visible";
			}
		else if (this.use_layers) {
			document.layers[this.divName].left = this.x;
			document.layers[this.divName].top = this.y;
			document.layers[this.divName].visibility = "visible";
			}
		}
	else {
		if (this.popupWindow == null || this.popupWindow.closed) {
			// If the popup window will go off-screen, move it so it doesn't
			var scrollBars = 1;
			if (screen && screen.availHeight) {
				if ((this.y + this.height) > screen.availHeight) {
					this.y = screen.availHeight - this.height;
					}
				}
			if (screen && screen.availWidth) {
				if ((this.x + this.width) > screen.availWidth) {
					this.x = screen.availWidth - this.width;
					}
				}
			if (scrollBars) {
							this.width += 16;
							}
			this.popupWindow = window.open("about:blank","window_"+anchorname,"toolbar=no,location=no,status=no,menubar=no,scrollbars=1,resizable=yes,alwaysRaised,dependent,titlebar=no,width="+this.width+",height="+this.height+",screenX="+this.x+",left="+this.x+",screenY="+this.y+",top="+this.y+"");
			}
		this.width=this.width-16
		this.refresh();
		}
	}
// Hide the popup
function PopupWindow_hidePopup() {
	if (this.divName != null) {
		if (this.use_gebi) {
			document.getElementById(this.divName).style.visibility = "hidden";
			}
		else if (this.use_css) {
			document.all[this.divName].style.visibility = "hidden";
			}
		else if (this.use_layers) {
			document.layers[this.divName].visibility = "hidden";
			}
		}
	else {
		if (this.popupWindow && !this.popupWindow.closed) {
			this.popupWindow.close();
			this.popupWindow = null;
			}
		}
	}
// Pass an event and return whether or not it was the popup DIV that was clicked
function PopupWindow_isClicked(e) {
	if (this.divName != null) {
		if (this.use_layers) {
			var clickX = e.pageX;
			var clickY = e.pageY;
			var t = document.layers[this.divName];
			if ((clickX > t.left) && (clickX < t.left+t.clip.width) && (clickY > t.top) && (clickY < t.top+t.clip.height)) {
				return true;
				}
			else { return false; }
			}
		else if (document.all) { // Need to hard-code this to trap IE for error-handling
			var t = window.event.srcElement;
			while (t.parentElement != null) {
				if (t.id==this.divName) {
					return true;
					}
				t = t.parentElement;
				}
			return false;
			}
		else if (this.use_gebi) {
			var t = e.originalTarget;
			while (t.parentNode != null) {
				if (t.id==this.divName) {
					return true;
					}
				t = t.parentNode;
				}
			return false;
			}
		return false;
		}
	return false;
	}

// Check an onMouseDown event to see if we should hide
function PopupWindow_hideIfNotClicked(e) {
	if (this.autoHideEnabled && !this.isClicked(e)) {
		this.hidePopup();
		}
	}
// Call this to make the DIV disable automatically when mouse is clicked outside it
function PopupWindow_autoHide() {
	this.autoHideEnabled = true;
	}
// This global function checks all PopupWindow objects onmouseup to see if they should be hidden
function PopupWindow_hidePopupWindows(e) {
	for (var i=0; i<popupWindowObjects.length; i++) {
		if (popupWindowObjects[i] != null) {
			var p = popupWindowObjects[i];
			p.hideIfNotClicked(e);
			}
		}
	}
// Run this immediately to attach the event listener
function PopupWindow_attachListener() {
	if (document.layers) {
		document.captureEvents(Event.MOUSEUP);
		}
	window.popupWindowOldEventListener = document.onmouseup;
	if (window.popupWindowOldEventListener != null) {
		document.onmouseup = new Function("window.popupWindowOldEventListener(); PopupWindow_hidePopupWindows();");
		}
	else {
		document.onmouseup = PopupWindow_hidePopupWindows;
		}
	}
// CONSTRUCTOR for the PopupWindow object
// Pass it a DIV name to use a DHTML popup, otherwise will default to window popup
function PopupWindow() {
	if (!window.popupWindowIndex) { window.popupWindowIndex = 0; }
	if (!window.popupWindowObjects) { window.popupWindowObjects = new Array(); }
	if (!window.listenerAttached) {
		window.listenerAttached = true;
		PopupWindow_attachListener();
		}
	this.index = popupWindowIndex++;
	popupWindowObjects[this.index] = this;
	this.divName = null;
	this.popupWindow = null;
	this.width=0;
	this.height=0;
	this.populated = false;
	this.visible = false;
	this.autoHideEnabled = false;
	
	this.contents = "";
	if (arguments.length>0) {
		this.type="DIV";
		this.divName = arguments[0];
		}
	else {
		this.type="WINDOW";
		}
	this.use_gebi = false;
	this.use_css = false;
	this.use_layers = false;
	if (document.getElementById) { this.use_gebi = true; }
	else if (document.all) { this.use_css = true; }
	else if (document.layers) { this.use_layers = true; }
	else { this.type = "WINDOW"; }
	this.offsetX = 0;
	this.offsetY = 0;
	// Method mappings
	this.getXYPosition = PopupWindow_getXYPosition;
	this.populate = PopupWindow_populate;
	this.refresh = PopupWindow_refresh;
	this.showPopup = PopupWindow_showPopup;
	this.hidePopup = PopupWindow_hidePopup;
	this.setSize = PopupWindow_setSize;
	this.isClicked = PopupWindow_isClicked;
	this.autoHide = PopupWindow_autoHide;
	this.hideIfNotClicked = PopupWindow_hideIfNotClicked;
	}


var testpopup2 = new PopupWindow();
testpopup2.offsetX=10;
testpopup2.offsetY=20;
testpopup2.setSize(200,200);
testpopup2.autoHide();

// Initiates page on pageload if the browser is ok.
if(bw.bw && !isLoaded) onload= popupInit;