
/*
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= false;
// Be sure to set tipWidth wide enough for widest image
var tipWidth= 200;
var offX= -50;        // how far from mouse to show tip
var offY= -90;
var tipFontFamily= "Verdana, arial, helvetica, sans-serif";
var tipFontSize= "";
// 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= "";
var tipBgColor= "#A1C5E5";
var tipBorderColor= "#002157";
var tipBorderWidth= 1;
var tipBorderStyle= "solid";
var tipPadding= 3;

// 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('<form name="suche" action=""><table cellpadding="3" cellspacing="0" border="0" width="100%"><tr><td colspan="4" align="right"><a href="#" onmousedown="hideTip()"><img src="img/buerger/objekte/schliessen.gif" width="80" height="11" border="0" alt="Suche Schliessen" title="Suche schliessen"></a></td></tr><tr><td colspan="4"><img src="img/trans.gif" width="1" height"5"></td></tr><tr><td><input type="text" name="Suche" value="" size="17" class="suche"></td><td><img src="img/trans.gif" width="1" height="1" border="0"></td><td><a href="#" onmousedown="hideTip()"><img src="img/buerger/objekte/suchen.gif" width="40" height="5" border="0" alt="Suchen" title="Suchen"></a></td><td><img src="img/buerger/objekte/pfeil_re.gif" width="3" height="5" border="0"></td></tr></table></form>',"");


////////////////////  END OF CUSTOMIZATION AREA  ///////////////////





////////////////////////////////////////////////////////////
//  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);
        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 (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>'+ messages[num][0] + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][1] + '</span>' + '</td></tr></table></td></tr></table>';
                tooltip.write(tip);
                tooltip.close();
        } else if (ie4||ie5||ns5) {
                var tip = messages[num][0] + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][1] + '</span>';
                tipcss.backgroundColor = curBgColor;
                 tooltip.innerHTML = tip;
        }
        if (!tipFollowMouse) positionTip(evt);
        else t1=setTimeout("tipcss.visibility='visible'",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);
        tipOn = false;
}
