After "Clearing Recent History" Cache The Error console shows: Error: missing ; before statement Source File: http://www.dmv-rom.ca/res2/res/js/modaldbox.js Line: 1, Column: 14 Source Code: Date: Mon, 22 Aug 2011 20:05:41 GMT and points to the A in Aug The file content: /** * Modal Dialog Box * copyright 8th July 2006 by Stephen Chapman * http://javascript.about.com/ * permission to use this Javascript on your web page is granted * provided that all of the code in this script (including these * comments) is used without any alteration **/ function pageWidth() {return window.innerWidth != null? window.innerWidth: document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth:document.body != null? document.body.clientWidth:null;}function pageHeight() {return window.innerHeight != null? window.innerHeight: document.documentElement && document.documentElement.clientHeight ? document.documentElement.clientHeight:document.body != null? document.body.clientHeight:null;}function posLeft() {return typeof window.pageXOffset != 'undefined' ? window.pageXOffset:document.documentElement && document.documentElement.scrollLeft? document.documentElement.scrollLeft:document.body.scrollLeft? document.body.scrollLeft:0;}function posTop() {return typeof window.pageYOffset != 'undefined' ? window.pageYOffset:document.documentElement && document.documentElement.scrollTop? document.documentElement.scrollTop: document.body.scrollTop?document.body.scrollTop:0;}function $mdbox(x){return document.getElementById(x);}function scrollFix(){var obol=$mdbox('ol');obol.style.top=posTop()+'px';obol.style.left=posLeft()+'px'}function sizeFix(){var obol=$mdbox('ol');obol.style.height=pageHeight()+'px';obol.style.width=pageWidth()+'px';}function kp(e){ky=e?e.which:event.keyCode;if(ky==88||ky==120)hm();return false}function inf(h){tag=document.getElementsByTagName('select');for(i=tag.length-1;i>=0;i--)tag[i].style.visibility=h;tag=document.getElementsByTagName('iframe');for(i=tag.length-1;i>=0;i--)tag[i].style.visibility=h;tag=document.getElementsByTagName('object');for(i=tag.length-1;i>=0;i--)tag[i].style.visibility=h;}function sm(obl, wd, ht){var h='hidden';var b='block';var p='px';var obol=$mdbox('ol'); var obbxd = $mdbox('mbd');obbxd.innerHTML = $mdbox(obl).innerHTML;obol.style.height=pageHeight()+p;obol.style.width=pageWidth()+p;obol.style.top=posTop()+p;obol.style.left=posLeft()+p;obol.style.display=b;var tp=posTop()+((pageHeight()-ht)/2)-12;var lt=posLeft()+((pageWidth()-wd)/2)-12;var obbx=$mdbox('mbox');obbx.style.top=(tp<0?0:tp)+p;obbx.style.left=(lt<0?0:lt)+p;obbx.style.width=wd+p;obbx.style.height=ht+p;inf(h);obbx.style.display=b;return false;}function hm(){var v='visible';var n='none';$mdbox('ol').style.display=n;$mdbox('mbox').style.display=n;inf(v);document.onkeypress=''}function initmb(){var ab='absolute';var n='none';var obody=document.getElementsByTagName('body')[0];var frag=document.createDocumentFragment();var obol=document.createElement('div');obol.setAttribute('id','ol');obol.style.display=n;obol.style.position=ab;obol.style.top=0;obol.style.left=0;obol.style.zIndex=998;obol.style.width='100%';frag.appendChild(obol);var obbx=document.createElement('div');obbx.setAttribute('id','mbox');obbx.style.display=n;obbx.style.position=ab;obbx.style.zIndex=999;var obl=document.createElement('span');obbx.appendChild(obl);var obbxd=document.createElement('div');obbxd.setAttribute('id','mbd');obl.appendChild(obbxd);frag.insertBefore(obbx,obol.nextSibling);obody.insertBefore(frag,obody.firstChild); window.onscroll = scrollFix; window.onresize = sizeFix;} window.onload = initmb; So I am confused as Line 1 is a comment This same load error may occur on any of several javascript files that are loaded. Happens in FF 3.1.18 and 6.0