// determines whether a browser has image support or not.
// if there is image support, writes a dynamic class to the element
// this class drives any image replacements in the CSS
// which allows users without images to see content that would ordinarily be positioned off-screen
// requires dhtml_lib.js to be loaded
EventHelper.AddEvent(window, 'load', hasImages, false);
function hasImages() {
var test = new Image();
var tmp = new Date();
var suffix = tmp.getTime();
//win.document.write('hasImages()
');
//suffix ensures a unique image, so that IE won't use it's cached image but will instead look for a "new" image
test.src = '/img/spacer.gif?'+suffix;
test.onload = function() {
//win.document.write('image loaded
');
assignBodyClass();
}
}
function assignBodyClass() {
//win.document.write('assigning body class
');
if (!document.getElementsByTagName) return;
var theBody = document.getElementsByTagName('body')[0];
if (!theBody.className.match(/\simages/)) { theBody.className += ' images'; } //win.document.write('added "images" classname to body
');} win.document.write('"images" classname not added
');}
}