/*
Image w/ description tooltip- By Dynamic Web Coding (www.dyn-web.com)
Copyright 2002 by Sharon Paine
Visit http://www.dynamicdrive.com for this script
*/

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

var dom = (document.getElementById) ? true : false;
var ns5 = ((navigator.userAgent.indexOf("Gecko")>-1) && dom) ? true: false;
var ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
var ns4 = (document.layers && !dom) ? true : false;
var ie4 = (document.all && !dom) ? true : false;
var nodyn = (!ns5 && !ns4 && !ie4 && !ie5) ? true : false;

// resize fix for ns4
var origWidth, origHeight;
if (ns4) {
        origWidth = window.innerWidth; origHeight = window.innerHeight;
        window.onresize = function() { if (window.innerWidth != origWidth || window.innerHeight != origHeight) history.go(0); }
}

// 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= 160;
var offX= 20;        // how far from mouse to show tip
var offY= 12;
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= "#000080";
var tipBorderWidth= 3;
var tipBorderStyle= "solid";
var tipPadding= 4;

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


var t3;
var count = 0;
var slideNr = 0;

function runSlideShow()
 {
  document.images.SlideShow.src = cam[slideNr-1][count].src;

  count = count + 1;
  if (count < cam[slideNr-1].length)
   {
    t3 = setTimeout('runSlideShow()', 500);
   }
  else
   {
    count = 0;
    t3 = setTimeout('runSlideShow()', 2000);
   }
 }



// 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" width="160" height="120" name="SlideShow"></td></tr><tr><td valign="top">';
var endStr = '</td></tr></table>';

////////////////////////////////////////////////////////////
//  initTip        - initialization for tooltip.
//                Global variables for tooltip.
//                Set styles for all but ns4.
//                Set up mousemove capture if tipFollowMouse set true.
////////////////////////////////////////////////////////////
var tooltip, tipcss;
function initTip() {
        if (nodyn) return;
        tooltip = (ns4)? document.tipDiv.document: (ie4)? document.all['tipDiv']: (ie5||ns5)? document.getElementById('tipDiv'): null;
        tipcss = (ns4)? document.tipDiv: 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) {
                if (ns4) document.captureEvents(Event.MOUSEMOVE);
                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);
        if (t3) clearTimeout(t3);

        tipOn = true;
        // set colors if included in messages array
        if (messages[num][3])
         var curBgColor = messages[num][3];
        else curBgColor = tipBgColor;

        if (messages[num][4])
         var curFontColor = messages[num][4];
        else curFontColor = tipFontColor;

        if (ns4) {
                var tip = '<table bgcolor="' + tipBorderColor + '" width="' + tipWidth + '" cellspacing="0" cellpadding="' + tipBorderWidth + '" border="0"><tr><td><table bgcolor="' + curBgColor + '" width="100%" cellspacing="0" cellpadding="' + tipPadding + '" border="0"><tr><td>'+ startStr + messages[num][0] + midStr[num] + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][2] + '</span>' + endStr + '</td></tr></table></td></tr></table>';
                tooltip.write(tip);
                tooltip.close();
        } else if (ie4||ie5||ns5) {
                var tip = startStr + messages[num][0] + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][2] + '</span>' + endStr;
                tipcss.backgroundColor = curBgColor;
                 tooltip.innerHTML = tip;
        }
        if (!tipFollowMouse) positionTip(evt);
        else t1=setTimeout("tipcss.visibility='visible'",100);

        slideNr =  messages[num][1];
        t3 = setTimeout('runSlideShow()', 100);
}

var mouseX, mouseY;
function trackMouse(evt) {
        mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + document.body.scrollLeft;
        mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + document.body.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) {
                mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + document.body.scrollLeft;
                mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + document.body.scrollTop;
        }
        // tooltip width and height
        var tpWd = (ns4)? tooltip.width: (ie4||ie5)? tooltip.clientWidth: tooltip.offsetWidth;
        var tpHt = (ns4)? tooltip.height: (ie4||ie5)? tooltip.clientHeight: tooltip.offsetHeight;
        // document area in view (subtract scrollbar width for ns)
        var winWd = (ns4||ns5)? window.innerWidth-20+window.pageXOffset: document.body.clientWidth+document.body.scrollLeft;
        var winHt = (ns4||ns5)? window.innerHeight-20+window.pageYOffset: document.body.clientHeight+document.body.scrollTop;
        // check mouse position against tip and window dimensions
        // and position the tooltip
        if ((mouseX+offX+tpWd)>winWd)
                tipcss.left = (ns4)? mouseX-(tpWd+offX): mouseX-(tpWd+offX)+"px";
        else tipcss.left = (ns4)? mouseX+offX: mouseX+offX+"px";
        if ((mouseY+offY+tpHt)>winHt)
                tipcss.top = (ns4)? winHt-(tpHt+offY): winHt-(tpHt+offY)+"px";
        else tipcss.top = (ns4)? mouseY+offY: mouseY+offY+"px";
        if (!tipFollowMouse) t1=setTimeout("tipcss.visibility='visible'",100);
}

function hideTip() {
        if (!tooltip) return;
        t2=setTimeout("tipcss.visibility='hidden'",100);
        if (t3) clearTimeout(t3);
        tipOn = false;
}