/***********************************************
* Image w/ description tooltip- By Dynamic Web Coding (www.dyn-web.com)
* Copyright 2002-2007 by Sharon Paine
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

/* IMPORTANT: Put script after tooltip div or
         put tooltip div just before </BODY>. */

var dom = (document.getElementById) ? true : false;
var ns5 = (!document.all && dom || window.opera) ? true: false;
var ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
var ie4 = (document.all && !dom) ? true : false;
var nodyn = (!ns5 && !ie4 && !ie5 && !dom) ? true : false;

var origWidth, origHeight;

// avoid error of passing event object in older browsers
if (nodyn) { event = "nope" }

///////////////////////  CUSTOMIZE HERE   ////////////////////
// settings for tooltip
// Do you want tip to move when mouse moves over link?
var tipFollowMouse= true;
// Be sure to set tipWidth wide enough for widest image
var tipWidth= 510;
var offX= 70;        // how far from mouse to show tip
var offY= -20;
var tipFontFamily= "Verdana, arial, helvetica, sans-serif";
var tipFontSize= "8pt";
// set default text color and background color for tooltip here
// individual tooltips can have their own (set in messages arrays)
// but don't have to
var tipFontColor= "#000000";
var tipBgColor= "#DDECFF";
var tipBorderColor= "#d84444";
var tipBorderWidth= 1;
var tipBorderStyle= "ridge";
var tipPadding= 0;

// tooltip content goes here (image, description, optional bgColor, optional textcolor)
var messages = new Array();
// multi-dimensional arrays containing:
// image and text for tooltip
// optional: bgColor and color to be sent to tooltip
messages[0] = new Array('images/cartoon-img.gif','',"#FFFFFF");


////////////////////  END OF CUSTOMIZATION AREA  ///////////////////

// preload images that are to appear in tooltip
// from arrays above
if (document.images) {
        var theImgs = new Array();
        for (var i=0; i<messages.length; i++) {
          theImgs[i] = new Image();
                theImgs[i].src = messages[i][0];
  }
}

// to layout image and text, 2-row table, image centered in top cell
// these go in var tip in doTooltip function
// startStr goes before image, midStr goes between image and text

var startStr = '<table width="' + tipWidth + '"><tr><td align="center" width="100%"><img src="';
var midStr = '" border="0" alt=""/></td></tr>';
var endStr = '</table>';

////////////////////////////////////////////////////////////
//  initTip        - initialization for tooltip.
//                Global variables for tooltip.
//                Set styles
//                Set up mousemove capture if tipFollowMouse set true.
////////////////////////////////////////////////////////////

var tooltip, tipcss;
function initTip() {
        if (nodyn) return;
        tooltip = (ie4)? document.all['tipDiv']: (ie5||ns5)? document.getElementById('tipDiv'): null;
        tipcss = tooltip.style;
        if (ie4||ie5||ns5) {        // ns4 would lose all this on rewrites
                tipcss.width = tipWidth+"px";
                tipcss.fontFamily = tipFontFamily;
                tipcss.fontSize = tipFontSize;
                tipcss.color = tipFontColor;
                tipcss.backgroundColor = tipBgColor;
                tipcss.borderColor = tipBorderColor;
                tipcss.borderWidth = tipBorderWidth+"px";
                tipcss.padding = tipPadding+"px";
                tipcss.borderStyle = tipBorderStyle;
        }
        if (tooltip&&tipFollowMouse) {
                document.onmousemove = trackMouse;
        }
}

window.onload = initTip;

/////////////////////////////////////////////////
//  doTooltip function
//                        Assembles content for tooltip and writes
//                        it to tipDiv
/////////////////////////////////////////////////

var t1,t2;        // for setTimeouts
var tipOn = false;        // check if over tooltip link
function doTooltip(evt,num) {
        if (!tooltip) return;
        if (t1) clearTimeout(t1);        if (t2) clearTimeout(t2);
        tipOn = true;
        // set colors if included in messages array
        if (messages[num][2])        var curBgColor = messages[num][2];
        else curBgColor = tipBgColor;
        if (messages[num][3])        var curFontColor = messages[num][3];
        else curFontColor = tipFontColor;
        if (ie4||ie5||ns5) {
                var tip = startStr + messages[num][0] + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][1] + '</span>' + endStr;
                tipcss.backgroundColor = curBgColor;
                 tooltip.innerHTML = tip;
        }
        if (!tipFollowMouse) positionTip(evt);
        else t1=setTimeout("tipcss.visibility='visible'",100);
}

var mouseX, mouseY;
function trackMouse(evt) {
        standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
        mouseX = (ns5)? evt.pageX: window.event.clientX + standardbody.scrollLeft;
        mouseY = (ns5)? evt.pageY: window.event.clientY + standardbody.scrollTop;
        if (tipOn) positionTip(evt);
}

/////////////////////////////////////////////////////////////
//  positionTip function
//                If tipFollowMouse set false, so trackMouse function
//                not being used, get position of mouseover event.
//                Calculations use mouseover event position,
//                offset amounts and tooltip width to position
//                tooltip within window.
/////////////////////////////////////////////////////////////

function positionTip(evt) {
        if (!tipFollowMouse) {
                standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
                mouseX = (ns5)? evt.pageX: window.event.clientX + standardbody.scrollLeft;
                mouseY = (ns5)? evt.pageY: window.event.clientY + standardbody.scrollTop;
        }

        // tooltip width and height

        var tpWd = (ie4||ie5)? tooltip.clientWidth: tooltip.offsetWidth;
        var tpHt = (ie4||ie5)? tooltip.clientHeight: tooltip.offsetHeight;

        // document area in view (subtract scrollbar width for ns)

        var winWd = (ns5)? window.innerWidth-20+window.pageXOffset: standardbody.clientWidth+standardbody.scrollLeft;
        var winHt = (ns5)? window.innerHeight-20+window.pageYOffset: standardbody.clientHeight+standardbody.scrollTop;

        // check mouse position against tip and window dimensions
        // and position the tooltip

        if ((mouseX+offX+tpWd)>winWd)
                tipcss.left = mouseX-(tpWd+offX)+"px";
        else tipcss.left = mouseX+offX+"px";
        if ((mouseY+offY+tpHt)>winHt)
                tipcss.top = winHt-(tpHt+offY)+"px";
        else tipcss.top = mouseY+offY+"px";
        if (!tipFollowMouse) t1=setTimeout("tipcss.visibility='visible'",100);
}

function hideTip() {
        if (!tooltip) return;
        t2=setTimeout("tipcss.visibility='hidden'",100);
        tipOn = false;
}

document.write('<div id="tipDiv" style="position:absolute; visibility:hidden; z-index:100"></div>')