// title. caption.js / tamasoft.gr
var caption = 
{ 
init : function()
{	
// Does the browser support the methods we use?
if ( ! document.getElementById || ! document.createElement || ! document.appendChild )
{
return false;
}
// Find all images that want to get captionated
var imageList = document.getElementsByTagName("img");
var doCaption = new RegExp("(^|\\s)captionated(\\s|$)");
for (i = 0; i < imageList.length; i++)
{
// Save the current image
var current = imageList[i];			
// Does the current image want to be captionated?
if (doCaption.test(current.className) == false)
{
continue;
}
var altText = current.getAttribute("alt");
if(altText == null || altText == "")
{
continue;
}
// We want the paragraph to span the full width of the image
var imageWidth = parseInt(current.getAttribute("width"), 10);
// Account for the padding
imageWidth = imageWidth - 20;
imageWidth = imageWidth + "px";
var captionParagraph = document.createElement("p");
captionParagraph.style.width = imageWidth;
if (captionParagraph.opacity != undefined)
{
captionParagraph.opacity = .80;
}
else if (captionParagraph.style.MozOpacity != undefined)
{
// Mozilla
captionParagraph.style.MozOpacity = 0.80;
}
else if(captionParagraph.style.filter != undefined)
{
// IE
captionParagraph.style.filter = "alpha(opacity=80);";
}
captionParagraph.appendChild(document.createTextNode(altText));
current.parentNode.appendChild(captionParagraph);
}
},
addEvent : function(what, type, func)
{
if (what.addEventListener)
{
what.addEventListener(type, func, false);
}
else if (what.attachEvent)
{
what["e" + type + func] = func;
what[type + func] = function() 
{
what["e" + type + func](window.event); 
}
}
}
};
caption.addEvent(window, "load", function() { caption.init(); } );