function set_sched_read_to_zero()
{
	var sR = document.getElementById("sched_read");
	sR.value = "TEST";
}
<!-- Begin
function popUp(URL,w,h,scrollB) {
day = new Date();
id = day.getTime();
if(scrollB==null)b = 0;

eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=" + scrollB + ",location=0,statusbar=0,menubar=0,resizable=0,width=" + w + ",height=" + h + ",left = 602,top = 296');");
}
// End -->