add: if (jsMath.tex2math.center) { tag.style.textAlign = "center"; text = '<span style="text-align:left">'+text+'</span>' } 
context:   MSIEcreateMathTag: function (type,text) {    var tag = jsMath.document.createElement("span");    tag.className = "math";    text = text.replace(/</g,'&lt;').replace(/>/g,'&gt;');    if (type == 'div') {      tag.className = (jsMath.tex2math.center)? "jsMath.recenter": "";      tag.style.width = "100%"; tag.style.margin = jsMath.tex2math.margin;      tag.style.display = "inline-block";      text = '<span class="math">\\displaystyle{'+text+'}</span>';    }    tag.innerHTML = text;    return tag;  },
meta: 1963	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1963/a844e1ec626c2b970c32377c4ad06bb088afa9bd/tex2math.js/buggy/htdocs/jsMath/plugins/tex2math.js