function pm(URL){
   pu(myurl+URL);
}

function pu(URL) {
   day = new Date();
   id = day.getTime();
   xw = screen.availWidth;
   xh = screen.availHeight;
   eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width="+xw+",height="+xh+"');");

}