function CheckEmail(frm){
	var mystring;
	
	mystring = new String(frm.email.value);
		 
	if (mystring == "") {
		alert("Please enter an email address.");
		frm.email.focus();
		return false;
	}
	else if (mystring.search(/@/) == -1){
		alert("Please enter a valid email address.");
		frm.email.focus();
		return false;
	}
	else{
		return true;
	}
}