/* oMathML.js ============== This file contains JavaScript functions to convert math notation to Presentation MathML. Authors: WeiZhong Date: 2005/11/15 */ // RegExp var oSymbolsReg = [ /

="5") return true;
    else return false;
  else if (navigator.appName.slice(0,9)=="Microsoft")
    try {
        var ActiveX = new ActiveXObject("MathPlayer.Factory.1");
        return true;
    } catch (e) {
        return false;
    }
  else return false;
}

var hasDisplay = isMathMLavailable();

var oMmathml = "http://www.w3.org/1998/Math/MathML";

function translateMathML(t,str) { //convert MathML
  for (var i=0;i 0)	{
		for (var i=0;i "; 
				}
				translateMathML(cn,ntext);
			}
		}
	}
  }
}

var oMbody;
var oHasMathML = false, oMtranslated = false;

function translate() {
  if (!oMtranslated) { // run this only once
    oMtranslated = true;
    oMbody = document.getElementsByTagName("body")[0];
	//alert(oMbody);
	oMprocessNode(oMbody);
  }
}

if (isIE && hasDisplay == true) { // avoid adding MathPlayer info explicitly to each webpage
  document.write(" ");
  document.write(" ");
}
//onload function (replaces the onload="translate()" in the

tag) function generic() { translate(); }; //setup onload function if(typeof window.addEventListener != 'undefined') { //.. gecko, safari, konqueror and standard window.addEventListener('load', generic, false); } else if(typeof document.addEventListener != 'undefined') { //.. opera 7 document.addEventListener('load', generic, false); } else if(typeof window.attachEvent != 'undefined') { //.. win/ie window.attachEvent('onload', generic); //alert("运行至此"); } //** remove this condition to degrade older browsers else { //.. mac/ie5 and anything else that gets this far //if there's an existing onload function if(typeof window.onload == 'function') { //store it var existing = onload; //add new onload handler window.onload = function() { //call existing onload function existing(); //call generic onload function generic(); }; } else { //setup onload function window.onload = generic; } }