/**********************************************************************************   

Dynamic Tooltips 

*   Copyright (C) 2001 <a href="/dhtmlcentral/michael_van_ouwerkerk.asp">Michael van Ouwerkerk</a>

*   This script was released at DHTMLCentral.com

*   Visit for more great scripts!

*   This may be used and changed freely as long as this msg is intact!

*   We will also appreciate any links you could give us.

*

*   Made by <a href="/dhtmlcentral/michael_van_ouwerkerk.asp">Michael van Ouwerkerk</a> 

*********************************************************************************/



function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion

	this.agent=navigator.userAgent

	this.dom=document.getElementById?1:0

	this.opera5=this.agent.indexOf("Opera 5")>-1

	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.ie6 || this.ie7 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)

	return this

}

var bw=new lib_bwcheck();





// Variables to set:



messages= new Array()

// Write your descriptions in here.



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



fromX= 5;           // How much from the actual mouse X should the description box appear?

fromY= 21;           // How much from the actual mouse Y should the description box appear?

ns4center= 0;        // 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= 1;        // 1 if you want animation, 0 for no animation.

detectiontype= 1;    // 1 for 'smooth' window size detection, 0 for 'flip' window size detection.

delay= 100;          // 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) {this.wref.write(text); this.wref.close()}

	else 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(num){
	if(isLoaded){

		clearTimeout(tooltip.popTimer);

		dopopOut();

		if (bw.ns4){

			var text= '<span class="netscape4Style">' + (ns4center?'<center>':"") + messages[num] + (ns4center?'</center>':"") + '</span>';

			tooltip.writeIt(text);

		}

		if (!bw.ns4) tooltip.writeIt(messages[num]);

		screenWscrolled= screenW + (bw.ie?document.body.scrollLeft:pageXOffset);

		screenHscrolled= screenH + (bw.ie?document.body.scrollTop:pageYOffset);

		hovering= true;

		

		/* 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.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);

    }

};



// 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);

};



// Opacity methods.

makeTooltip.prototype.blendIn= function(){

	if (bw.ie && bw.win && !bw.ie4) {

		this.css.filter= 'blendTrans(duration=0.5)';

		this.elm.filters.blendTrans.apply();

		this.css.visibility= 'visible';

		this.elm.filters.blendTrans.play();

	}

	else {

		this.css.visibility= 'visible';

		if (!bw.ns4) this.fadeIt();

	}

};

makeTooltip.prototype.step= 8;

makeTooltip.prototype.i= 0;

makeTooltip.prototype.fadeTimer= null;

makeTooltip.prototype.fadeIt= function(){

	this.i+= this.step;

	//this.css.filter= 'alpha(opacity='+this.i+')';

	this.css.MozOpacity= this.i/100;

	if (this.i<100) this.fadeTimer= setTimeout(this.obj+'.fadeIt()', 40);

	else this.i= 0;

};

// Init function...

var isLoaded= false;

function popupInit(){
	//Fixing the browsercheck for opera... this can be removed if the browsercheck has been updated!!

	bw.opera5 = (navigator.userAgent.indexOf("Opera")>-1 && document.getElementById)?true:false

	if (bw.opera5) bw.ns6 = 0

	

	//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;

};

// Initiates page on pageload if the browser is ok.

if(bw.bw && !isLoaded) onload= popupInit;