<!--
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function openmypage(){ //Define arbitrary function to run desired DHTML Window widget codes
ajaxwin=dhtmlwindow.open("ajaxbox", "ajax", "zip_codes.php?zip=<?php echo $zip;?>", "Zip Codes", "width=475px,height=300px,left=300px,top=100px,resize=1,scrolling=1")
}
//-->