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/*
JavaScript Event Sheets
This comes from http://www.kryogenix.org/code/browser/jses/
It is a css-like (and also XBL like) approach to adding events to javascript
- Stephen Emslie, St. James Software
*/
jses_addEvent(window,"load",jses_init);
function jses_init() {
// Find any jses tags and grab their content
tgs = document.getElementsByTagName('link');
if (!tgs) return;
jsesData = '';
for (var i=0;i<tgs.length;i++) {
if (tgs[i].getAttribute('rel') != 'jses') continue;
var async = true;
uri = tgs[i].getAttribute("href");
var xmlHttp = XmlHttpGet();
xmlHttp.responsehandler = jses_parse;
xmlHttp.get(uri, {});
}
}
function jses_parse(data) {
// Split text into rulesets
re_ruleset = /([a-zA-Z0-9.#\s>]+)({[\s\S]+})/g;
re_declaration = /\s*([a-z]+)\s*:\s*([a-zA-Z0-9_-]+)\s*;/g
while ((ruleset = re_ruleset.exec(data)) != null) {
// Parse a ruleset into a selector and a series of declarations
selector = ruleset[1];
declarations = ruleset[2];
while ((declaration = re_declaration.exec(declarations)) != null) {
j_property = declaration[1];
j_value = declaration[2];
applicableEls = cssQuery(selector);
for (var i=0;i<applicableEls.length;i++) {
jses_addEvent(applicableEls[i],j_property,eval(j_value));
}
}
}
}
function jses_getInnerText(el) {
if (typeof el == "string") return el;
if (typeof el == "undefined") { return el };
if (el.innerText) return el.innerText; //Not needed but it is faster
var str = "";
var cs = el.childNodes;
var l = cs.length;
for (var i = 0; i < l; i++) {
switch (cs[i].nodeType) {
case 1: //ELEMENT_NODE
str += jses_getInnerText(cs[i]);
break;
case 3: //TEXT_NODE
str += cs[i].nodeValue;
break;
}
}
return str;
}
/* Add an eventListener to browsers that can do it somehow.
Originally by the fantabulous Scott Andrew. */
function jses_addEvent(obj, evType, fn){
// a hack! this seems to make jses work for clicks (otherwise the normal link gets followed...)...
if (evType == "click" && obj.nodeName == 'A')
{
obj.onclick = function() { return false; };
}
if (obj.addEventListener){
obj.addEventListener(evType, fn, false);
return true;
} else if (obj.attachEvent){
var r = obj.attachEvent("on"+evType, fn);
return r;
} else {
return false;
}
}
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