Nieuw lid |
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Ik maak gebruik van Bubble Tooltips. Ik heb alleen een vraagje. Ik wil dat de tooltip verdwijnt als er geen 'title' is opgegeven.
/*javascript for Bubble Tooltips by Alessandro Fulciniti
- http://pro.html.it - http://web-graphics.com */
function enableTooltips(id){
var links,i,h;
if(!document.getElementById || !document.getElementsByTagName) return;
AddCss();
h=document.createElement("span");
h.id="btc";
h.setAttribute("id","btc");
h.style.position="absolute";
document.getElementsByTagName("body")[0].appendChild(h);
if(id==null) links=document.getElementsByTagName("a");
else links=document.getElementById(id).getElementsByTagName("a");
for(i=0;i<links.length;i++){
Prepare(links[i]);
}
}
function Prepare(el){
var tooltip,t,b,s,l;
t=el.getAttribute("title");
if(t==null || t.length==0) ????????????????;
el.removeAttribute("title");
tooltip=CreateEl("span","tooltip");
s=CreateEl("span","top");
s.appendChild(document.createTextNode(t));
tooltip.appendChild(s);
b=CreateEl("b","bottom");
tooltip.appendChild(b);
setOpacity(tooltip);
el.tooltip=tooltip;
el.onmouseover=showTooltip;
el.onmouseout=hideTooltip;
el.onmousemove=Locate;
}
function showTooltip(e){
document.getElementById("btc").appendChild(this.tooltip);
Locate(e);
}
function hideTooltip(e){
var d=document.getElementById("btc");
if(d.childNodes.length>0) d.removeChild(d.firstChild);
}
function setOpacity(el){
el.style.filter="alpha(opacity:85)";
el.style.KHTMLOpacity="0.85";
el.style.MozOpacity="0.85";
el.style.opacity="0.85";
}
function CreateEl(t,c){
var x=document.createElement(t);
x.className=c;
x.style.display="block";
return(x);
}
function AddCss(){
var l=CreateEl("link");
l.setAttribute("type","text/css");
l.setAttribute("rel","stylesheet");
l.setAttribute("href","bt.css");
l.setAttribute("media","screen");
}
function Locate(e){
var posx=0,posy=0;
if(e==null) e=window.event;
if(e.pageX || e.pageY){
posx=e.pageX; posy=e.pageY;
}
else if(e.clientX || e.clientY){
if(document.documentElement.scrollTop){
posx=e.clientX+document.documentElement.scrollLeft;
posy=e.clientY+document.documentElement.scrollTop;
}
else{
posx=e.clientX+document.body.scrollLeft;
posy=e.clientY+document.body.scrollTop;
}
}
document.getElementById("btc").style.top=(posy+10)+"px";
document.getElementById("btc").style.left=(posx-20)+"px";
}
/*javascript for Bubble Tooltips by Alessandro Fulciniti - http://pro.html.it - http://web-graphics.com */ function enableTooltips(id){ var links,i,h; if(!document.getElementById || !document.getElementsByTagName) return; AddCss(); h=document.createElement("span"); h.id="btc"; h.setAttribute("id","btc"); h.style.position="absolute"; document.getElementsByTagName("body")[0].appendChild(h); if(id==null) links=document.getElementsByTagName("a"); else links=document.getElementById(id).getElementsByTagName("a"); for(i=0;i<links.length;i++){ Prepare(links[i]); } } function Prepare(el){ var tooltip,t,b,s,l; t=el.getAttribute("title"); if(t==null || t.length==0) ????????????????; el.removeAttribute("title"); tooltip=CreateEl("span","tooltip"); s=CreateEl("span","top"); s.appendChild(document.createTextNode(t)); tooltip.appendChild(s); b=CreateEl("b","bottom"); tooltip.appendChild(b); setOpacity(tooltip); el.tooltip=tooltip; el.onmouseover=showTooltip; el.onmouseout=hideTooltip; el.onmousemove=Locate; } function showTooltip(e){ document.getElementById("btc").appendChild(this.tooltip); Locate(e); } function hideTooltip(e){ var d=document.getElementById("btc"); if(d.childNodes.length>0) d.removeChild(d.firstChild); } function setOpacity(el){ el.style.filter="alpha(opacity:85)"; el.style.KHTMLOpacity="0.85"; el.style.MozOpacity="0.85"; el.style.opacity="0.85"; } function CreateEl(t,c){ var x=document.createElement(t); x.className=c; x.style.display="block"; return(x); } function AddCss(){ var l=CreateEl("link"); l.setAttribute("type","text/css"); l.setAttribute("rel","stylesheet"); l.setAttribute("href","bt.css"); l.setAttribute("media","screen"); } function Locate(e){ var posx=0,posy=0; if(e==null) e=window.event; if(e.pageX || e.pageY){ posx=e.pageX; posy=e.pageY; } else if(e.clientX || e.clientY){ if(document.documentElement.scrollTop){ posx=e.clientX+document.documentElement.scrollLeft; posy=e.clientY+document.documentElement.scrollTop; } else{ posx=e.clientX+document.body.scrollLeft; posy=e.clientY+document.body.scrollTop; } } document.getElementById("btc").style.top=(posy+10)+"px"; document.getElementById("btc").style.left=(posx-20)+"px"; }
Dus als t==null || t.length==0 (zie hierboven) dan moet de opacity naar 0, of gewoon dat de hele tooltip word gedisabled, maar ik heb geen idee hoe ik dit doe, heb namelijk niet echt verstand van javascript. Ik hoop dat iemand mij kan helpen.
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