var iframeprops='width=750 height=550 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="yes"'
if (document.all||document.getElementById)
document.write('<iframe id="dynstuff" src="" '+iframeprops+'></iframe>');

function dayofyear_iframe(){
if (document.all||document.getElementById){
var mydate=new Date();
var iframeobj=document.getElementById? document.getElementById("dynstuff") : document.all['dynstuff'];
iframeobj.src=(mydate.getMonth()+1)+'_'+mydate.getDate()+'.htm';
}
}

window.onload=dayofyear_iframe;