// JavaScript Document - check email
//-----------------------------------------------------------------	
//sets the focus on an element
function setFocus(elm) {
	elm.focus();
}
//-----------------------------------------------------------------
//checks that an element is not empty or null
function isFilled(elm) {
//checks that an element is not empty or null
	if (elm.value == "" || elm.value == null)
		return false;
	else
		return true;
}
//-----------------------------------------------------------------
function isEmail(elm) {
     if (elm.value.indexOf("@") != "-1" && 
		 elm.value.indexOf(".") != "-1" &&
	     elm.value != "")
     return true;
     else return false;
 }
 
function isReady(theForm) { 
 if (isEmail(theForm.useremail) == false) {
 		alert("Please enter a valid email address.");
		setFocus(theForm.useremail);
		return false;		
  }
	return true;
}
//-----------------------------------------------------------------