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){
		return false;
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		return false;
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		return false;
	}

	if (str.indexOf(at,(lat+1))!=-1){
		return false;
	}

	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		return false;
	}

	if (str.indexOf(dot,(lat+2))==-1){
		return false;
	}

	if (str.indexOf(" ")!=-1){
		return false;
	}
	return true;
}
/** 
Validates form inputs
*/
function fncValidateForm() {
	if ((document.getElementById("txtName").value.length == 0) || (document.getElementById("txtName").value == 'Name')) {
		alert("The 'Name' field is required");
		
		return false;
	}
	
	if ((document.getElementById("txtEmail").value.length == 0) || document.getElementById("txtEmail").value == "E-mail") {
		alert("The 'Email' field is required");
		
		return false;
	}
	else if (echeck(document.getElementById("txtEmail").value) == false) {
		alert("Enter a valid email address");
		
		return false;		
	}
	
	if ((document.getElementById("txtMessage").value.length == 0) || (document.getElementById("txtMessage").value == 'Message')) {
		alert("The 'Message' field is required");
		
		return false;		
	}
	return true;
}