function validate(form_id,email) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = document.forms[form_id].elements[email].value;
   if(reg.test(address) == false)
	add= 0;
   else
	add=1;
return(add);
}
 
function checkAll()
{
    var errt="";
    if (document.form1.fname.value == "") {
        errt+="First Name\n"
    	}
    if (document.form1.lname.value == "") {
        errt+="Last Name\n"
    	}
    if (document.form1.email.value == "") {
        errt+="Email\n"
    	}	
	if(errt==""){
		response=validate("form1", "email");
			if(response==0)
				errt+="Invalid Email Address\n"
	}	
    if (errt != "") {
        alert("You have not entered anything in the following fields\n" + errt);
    	document.form1.fname.focus;
    	return false
    	}
return true;
}