单调专注的明王子

var isIE = document.createElementNS==null; if (document.getElementById==null) alert(“This webpage requires a recent browser such as\ \nMozilla/Netscape 7+ or Internet Explorer 6+MathPlayer”) // all further global variables start with “AM” function AMcreateElementXHTML(t) { if (isIE) return document.createElement(t); else return document.createElementNS(“http://www.w3.org/1999/xhtml”,t); } function AMisMathMLavailable() { var nd = AMcreateElementXHTML(“center”); nd.appendChild(document.createTextNode(“To view the “)); var an = AMcreateElementXHTML(“a”); an.appendChild(document.createTextNode(“ASCIIMathML”)); [...]