/*

* This file customizes jsMath for use with WeBWorK

*/

if (!window.jsMath || !window.jsMath.loaded) {

/*

* WW customization of jsMath values

*/

var jsMath = {

styles: {

'.math': 'font-family: serif; font-style: normal; color: grey; font-size: 75%'

},

Controls: {cookie: {scale: 133}},

Parser: {prototype: {macros: {

setlength: ['Macro','',2],

boldsymbol: ['Macro','{\\bf #1}',1],

verb: ['Extension','verb']

}}},

Font: {},

//

// Look for jsMath-ww.js file and replace by jsMath.js

// Cause the jsMath.js file to be loaded

//

wwSource: function () {

var script = document.getElementsByTagName('SCRIPT');

var src = script[script.length-1].getAttribute('SRC');

if (src.match('(^|/)jsMath-ww.js$')) {

src = src.replace(/jsMath-ww.js$/,'jsMath.js');

document.write('<SCRIPT SRC="'+src+'"></SCRIPT>');

}

},

wwCount: 0, // count if called more than once

wwProcess: function () {

if (this.wwCount > 1) return;

if (this.wwCount == 0) {

//

// This is the first call to jsMath, so install handler

//

if (window.addEventListener) {window.addEventListener("load",jsMath.wwOnLoad,false)}

else if (window.attachEvent) {window.attachEvent("onload",jsMath.wwOnLoad)}

else {window.onload = jsMath.wwOnLoad}

//

// Process the page synchronously

//

this.wwProcessWW = jsMath.ProcessBeforeShowing;

} else {

//

// There are multiple calls, so we're in the Library Browser

// Process the page asynchronously

//

this.wwProcessWW = jsMath.Process;

}

this.wwCount++;

},

//

// The actual onload handler calls whichever of the two

// processing commands has been saved

//

wwOnLoad: function () {jsMath.wwProcessWW()}

};

if (window.noFontMessage) {jsMath.styles['#jsMath_Warning'] = "display: none"}

if (window.missingFontMessage) {jsMath.Font.message = missingFontMessage}

if (!window.processDoubleClicks) {jsMath.Click = {CheckDblClick: function () {}}}

//

// Load jsMath.js

//

jsMath.wwSource();

//

// Make sure answer boxes are above jsMath output

// (avoids deep baselines in jsMath fonts)

//

document.write('<STYLE> .problem INPUT, .problem TEXTAREA {position: relative; z-index: 2} </STYLE>');

}