// 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 userLoginEmail=document.kaLogin.userEmail
	
	if ((userLoginEmail.value==null)||(userLoginEmail.value=="")){
		alert("Please enter your email address")
		userLoginEmail.focus()
		return false
	}
	
	if (checkEmailAddy(userLoginEmail.value)==false){
		userLoginEmail.value=""
		userLoginEmail.focus()
		return false
	}
	
	var checkPassword=document.kaLogin.userPassword
	if ((checkPassword.value==null) || (checkPassword.value=="")) {
		alert("Please enter your password")
		checkPassword.focus()
		return false
	}
	
	var checkPasswordLength=document.kaLogin.userPassword
	if ((checkPasswordLength.value>2){
		alert("Password is not long enough")
		checkPasswordLength.focus()
		return false
	}
	return true
 }