function esValidate(frm){

     if(frm.url.value=="http://www."){
        alert("Please Enter Company URL!");
        frm.url.focus();
        return false;
    }

    if(frm.email.value=="" ){
        alert("Please enter your email address !");
        frm.email.focus();
        return false;
    }

    if(frm.email.value.indexOf("@")==-1){
        alert("This email address seems wrong. Please enter correct email address !");
        frm.email.focus();
        return false;
    }

    return true;
}