function popUp(theURL,winName,features) {
RE=window.open(theURL,winName,features);
RE.focus();
}
function checkS(alertmessage){
if(document.s.search.value==""){
alert(alertmessage);
return false;
}
document.s.submit();
}
function checkN(string, alertmessage){
if (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
document.s.submit();
else
alert(alertmessage);
return false;
}