function check_submit_ann()
{
	if(document.frmAnnQuote.Ann_First_Name.value == '')
	{
			alert("Please enter your first name.");
			document.frmAnnQuote.Ann_First_Name.focus();
			return false
	}
	if(document.frmAnnQuote.Ann_Last_Name.value == '' )
	{
			alert("Please enter your last name.");
			document.frmAnnQuote.Ann_Last_Name.focus();
			return false
	}
	
	var emailID=document.frmAnnQuote.Ann_Email
	if ((emailID.value==null)||(emailID.value=="")){
			alert("Please enter a valid email address.");
			document.frmAnnQuote.Ann_Email.focus();
			return false;
	}
	if (echeck(emailID.value)==false){
		alert("Please enter a valid email address.");
		emailID.focus()
		return false
	}

	document.frmAnnQuote.submit();
}


function echeck (s){
	if (isEmpty(s)) return true;
   
    // is s whitespace?
    if (isWhitespace(s)) return true;
    
    // there must be >= 1 character before @, so we
    // start looking at character position 1 
    // (i.e. second character)
    var i = 1;
    var sLength = s.length;

    // look for @
    while ((i < sLength) && (s.charAt(i) != "@")){i++}

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    // look for .
    while ((i < sLength) && (s.charAt(i) != ".")){i++}

    // there must be at least one character after the .
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;
}

/*function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		
		if (str.indexOf(at)==-1){
		   alert("Please enter a valid email address.");
		   return false
		}
		
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Please enter a valid email address.");
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Please enter a valid email address.");
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Please enter a valid email address.");
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Please enter a valid email address.");
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Please enter a valid email address.");
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Please enter a valid email address.");
		    return false
		 }

 		 return true					
	}*/