function go_popup_url(theURL,winName,features) {
	window.open(theURL,winName,features);
}

function f_confirm(msg,url) {
	if(confirm(msg)) {
		location.href = url;
	}
}

function f_msg(msg) {
	window.alert(msg);
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval("location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function onlyNumber(){
   if((event.keyCode<48)||(event.keyCode>57))
      event.returnValue=false;
}