var modMonth = 0
var modDay = 0
var modYear = 0

document.write('<!-- hide from old browsers');
document.write('var modDate = new Date(document.lastModified)');
document.write('var modMonth = modDate.getMonth()+1');
document.write('var modYear = modDate.getYear()');
document.write('var modDay = modDate.getDate()');
document.write('if(modDay<10) modDay = "0" + modDay');
document.write('if(modMonth<10) modMonth= "0" + modMonth');
document.write('if(modYear<1000) modYear+=1900');
document.write("Page last updated: " + modMonth + "/" + modDay +"/" + modYear+"");
document.write('//-->');

<!-- hide from old browsers
var modDate = new Date(document.lastModified)
var modMonth = modDate.getMonth()+1
var modYear = modDate.getYear()
var modDay = modDate.getDate()
if(modDay<10) modDay = "0" + modDay
if(modMonth<10) modMonth= "0" + modMonth
if(modYear<1000) modYear+=1900
"Page last updated: " + modMonth + "/" + modDay +"/" + modYear+""
//-->'