// JavaScript Document

// ************* MCBOOM LTD **************
//*********** FORM VALIDATION ***********
//    
//      o CHECK EMAIL ADDDRESS
//      o CHECK ALL REQUIRED FIELDS CONTAIN DATA
//     
//
//**************************************

function checkEmailAddy(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("Invalid email address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid email address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid email address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid email address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid email address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid email address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid email address")
		    return false
		 }

 		 return true					
	}

function loginPreValidate(){
	var userLoginUN=document.login.Username
	var userLoginPW=document.login.password
	
	if ((userLoginUN.value==null)||(userLoginUN.value=="") ||(userLoginUN.value=="Username")){
		alert("Please enter your username")
		userLoginUN.focus()
		return false
	}
	
	if ((userLoginPW.value==null)||(userLoginPW.value=="") ||(userLoginPW.value=="password")){
		alert("Please enter your password")
		userLoginPW.focus()
		return false
	}	
	
	return true
 }
 
function preEnquiryValidate(){
	 var newsSignupUN=document.websiteEnquiry.uName
	 var newsSignupUE=document.websiteEnquiry.uEmail
	 var newsSignupUEnq=document.websiteEnquiry.enquiry
	
	if ((newsSignupUN.value==null)||(newsSignupUN.value=="") ||(newsSignupUN.value=="Name")){
		alert("Please enter your name")
		newsSignupUN.focus()
		return false
	}
	
	if ((newsSignupUE.value==null)||(newsSignupUE.value=="") ||(newsSignupUE.value=="Email")){
		alert("Please enter your email address")
		newsSignupUE.focus()
		return false
	}
	
	if (checkEmailAddy(newsSignupUE.value)==false){
		newsSignupUE.value=""
		newsSignupUE.focus()
		return false
	}
	
	if ((newsSignupUEnq.value==null)||(newsSignupUEnq.value=="") ||(newsSignupUEnq.value=="Your enquiry...")){
		alert("Please enter your enquiry")
		newsSignupUEnq.focus()
		return false
	}
	
 }