// Version 0.4 - Simon Willison, March 25th 2003
function getAllChildren(e) { return e.all ? e.all : e.getElementsByTagName('*'); } document.getElementsBySelector = function(selector) { if (!document.getElementsByTagName) { return new Array(); } var tokens = selector.split(' '); var currentContext = new Array(document); for (var i = 0; i < tokens.length; i++) { token = tokens[i].replace(/^\s+/,'').replace(/\s+$/,'');; if (token.indexOf('#') > -1) { var bits = token.split('#'); var tagName = bits[0]; var id = bits[1]; var element = document.getElementById(id); if (tagName && element.nodeName.toLowerCase() != tagName) { return new Array(); } currentContext = new Array(element); continue; } if (token.indexOf('.') > -1) { var bits = token.split('.'); var tagName = bits[0]; var className = bits[1]; if (!tagName) { tagName = '*'; } var found = new Array; var foundCount = 0; for (var h = 0; h < currentContext.length; h++) { var elements; if (tagName == '*') { elements = getAllChildren(currentContext[h]); } else { elements = currentContext[h].getElementsByTagName(tagName); } for (var j = 0; j < elements.length; j++) { found[foundCount++] = elements[j]; }} currentContext = new Array; var currentContextIndex = 0; for (var k = 0; k < found.length; k++) { if (found[k].className && found[k].className.match(new RegExp('\\b'+className+'\\b'))) { currentContext[currentContextIndex++] = found[k]; }} continue; } if (token.match(/^(\w*)\[(\w+)([=~\|\^\$\*]?)=?"?([^\]"]*)"?\]$/)) { var tagName = RegExp.$1; var attrName = RegExp.$2; var attrOperator = RegExp.$3; var attrValue = RegExp.$4; if (!tagName) { tagName = '*'; } var found = new Array; var foundCount = 0; for (var h = 0; h < currentContext.length; h++) { var elements; if (tagName == '*') { elements = getAllChildren(currentContext[h]); } else { elements = currentContext[h].getElementsByTagName(tagName); } for (var j = 0; j < elements.length; j++) { found[foundCount++] = elements[j]; }} currentContext = new Array; var currentContextIndex = 0; var checkFunction; switch (attrOperator) { case '=': checkFunction = function(e) { return (e.getAttribute(attrName) == attrValue); }; break; case '~': checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('\\b'+attrValue+'\\b'))); }; break; case '|': checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('^'+attrValue+'-?'))); }; break; case '^': checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) == 0); }; break; case '$': checkFunction = function(e) { return (e.getAttribute(attrName).lastIndexOf(attrValue) == e.getAttribute(attrName).length - attrValue.length); }; break; case '*': checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) > -1); }; break; default : checkFunction = function(e) { return e.getAttribute(attrName); }; } currentContext = new Array; var currentContextIndex = 0; for (var k = 0; k < found.length; k++) { if (checkFunction(found[k])) { currentContext[currentContextIndex++] = found[k]; }
      } continue; } tagName = token; var found = new Array; var foundCount = 0; for (var h = 0; h < currentContext.length; h++) { var elements = currentContext[h].getElementsByTagName(tagName); for (var j = 0; j < elements.length; j++) { found[foundCount++] = elements[j]; }} currentContext = found; } return currentContext; }