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Thread: Image w/description tooltip

  1. #1
    Join Date
    Sep 2008
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    Exclamation Image w/description tooltip

    1) Script Title: Image w/description tooltip

    2) Script URL (on DD): http://www.dynamicdrive.com/dynamici...agetooltip.htm

    3) Describe problem: Attempting to have tooltip background change when it is the persons birthMonth. I have it set as follows but not sure what I need to do to the var birthMonth.
    Code:
    var birthMonth = currMonth;
    		if (birthMonth == currMonth)
    			{
    			 tipBgColor = '#ff69b4';
    			
    			}
    		else 	{
    			 tipBgColor = '#ffffff';
    			
    			}
    The currMonth is set as:
    Code:
    var currMonth = new Date().getMonth()+1;
    An example of what I have in the message arrays:

    Code:
    messages[0] = new Array('4mos.jpg','Me at 4 months old.<br>Birthday: 9/23',"#FFFFFF");
    As you notice have the birthday listed by month and day in the message Array.

  2. #2
    Join Date
    Sep 2008
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    Talking Update help was provided

    I got the help I needed from a very kind person on another forum and they edited the javascript. The edited code is as follows:
    Code:
    /***********************************************
    * 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= 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= "ridge";
    var tipPadding= 4;
    // set a background image for birth that coincide with actual month;
    var birthBGImage = 'candle.gif';
    
    // tooltip content goes here (image, description, optional bgColor, optional textcolor, birth month)
    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('red_balloon.gif','Here is a red balloon on a white background',"#FFFFFF", null, 10);
    messages[1] = new Array('duck2.gif','Here is a duck on a light blue background.',"#DDECFF", 'black', 9);
    messages[2] = new Array('test.gif','Test description','black','white');
    
    ////////////////////  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 currentMonth = new Date().getMonth() + 1;
    
    ////////////////////////////////////////////////////////////
    //  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) {
    var startStr = '<table width="' + tipWidth + '"';
    if(messages[num][4] == currentMonth)startStr += ' style="background:url(' + birthBGImage + ')"';
    startStr +='><tr><td align="center" width="100%"><img src="';
    var midStr = '" border="0"></td></tr><tr><td valign="top">';
    var endStr = '</td></tr></table>';
    
    	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>')

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