// JavaScript Document

function checkForm(){
	var msgToDisplay = "";
	rForm = document.getElementById("RegisterForm");	
	if ((rForm.fname.value == null) || (rForm.fname.value == "")){
		msgToDisplay += "Please enter a first name. <br />";
	}
	if ((rForm.lname.value == null) || (rForm.lname.value == "")){
		msgToDisplay += "Please enter a last name. <br />";
	}
	if ((rForm.EmailAddress.value != null) && (echeck(rForm.EmailAddress.value)==false)){
		msgToDisplay += "Please Enter a Valid email address. <br />";
	}
	if ((rForm.city.value == null) || (rForm.city.value == "")){
		msgToDisplay += "Please enter a city. <br />";
	}
	if (msgToDisplay != ""){
		document.getElementById("formMessages").innerHTML = "<p style=\"color:red\">" + msgToDisplay + "</p>";
	}
	else{
		rForm.submit();
	}
}

/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

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					
	}