// ************* MCBOOM LTD **************
//*********** FORM VALIDATION ***********
//    
//      o CHECK EMAIL ADDDRESS
//      o CHECK IF NAME SUPPLIED
//     
//
//**************************************

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 E-mail Address")
		   return false
		}

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

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

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

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

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

 		 return true					
	}

function ValidateForm(){
	var contactMail=document.signup.email
	
	if ((contactMail.value==null)||(contactMail.value=="")){
		alert("Please Enter your Email Address")
		contactMail.focus()
		return false
	}
	if (checkEmailAddy(contactMail.value)==false){
		contactMail.value=""
		contactMail.focus()
		return false
	}
    var contactName=document.signup.name
	if ((contactName.value==null) || (contactName.value=="")) {
		alert("Please Enter your name")
		contactName.focus()
		return false
	}
	
 if ( document.signup.optIn.checked == false )
    {
        alert ( "In order to sign up to the newsletter, please check the opt in box and click the Submit button again." );
        return false
    }
	
	return true
 }