// ************* 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 ValidateNewsletterSignup(){
	var contactEmail=document.newletterSignup.email
	
	if ((contactEmail.value==null)||(contactEmail.value=="")){
		alert("Please enter your email address")
		contactEmail.focus()
		return false
	}
	if (checkEmailAddy(contactEmail.value)==false){
		contactEmail.value=""
		contactEmail.focus()
		return false
	}
	   
	var yourName=document.newletterSignup.name
	if ((yourName.value==null) || (yourName.value=="")) {
		alert("Please enter your name")
		yourName.focus()
		return false
	}	 
	return true
 }