// ************* 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 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 ValidateSendToFriend(){
	var contactMail=document.sendToFriend.yourEmail
	
	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 fcontactMail=document.sendToFriend.friendEmail
	
	if ((fcontactMail.value==null)||(fcontactMail.value=="")){
		alert("Please enter your friends email address")
		fcontactMail.focus()
		return false
	}
	if (checkEmailAddy(fcontactMail.value)==false){
		fcontactMail.value=""
		fcontactMail.focus()
		return false
	}
	
    var sendersName=document.sendToFriend.yourName
	if ((sendersName.value==null) || (sendersName.value=="")) {
		alert("Please enter your name")
		sendersName.focus()
		return false
	}
	  var friendsName=document.sendToFriend.friendName
	if ((friendsName.value==null) || (friendsName.value=="")) {
		alert("Please enter your friends name")
		friendsName.focus()
		return false
	}
	return true
 }