var totalpage;
var curpage = 1;
var findFrameWidth = 685;
var positionLayer = 0;

function find_prev(){
	try{
		curpage--;
		if(curpage <= 1){
			curpage = 1;
			$('prev').className = '';
			$('prev').src = 'image/button.prev.unavailable.jpg';
			$('next').className = 'button';
			$('next').src = 'image/button.next.available.jpg';
		}
		else{
			$('prev').className = 'button';
			$('prev').src = 'image/button.prev.available.jpg';
			$('next').className = 'button';
			$('next').src = 'image/button.next.available.jpg';
		}
		$('page').innerHTML = curpage+"/"+totalpage;
		positionLayer = findFrameWidth * (curpage-1) * (-1);
		 
		$('findLayer').tween('left', positionLayer+'px');
	}
	catch(e){}
}

function find_next(){
	try{
		curpage++;
		if(curpage >= totalpage){
			curpage = totalpage;
			$('prev').className = 'button';
			$('prev').src = 'image/button.prev.available.jpg';
			$('next').className = '';
			$('next').src = 'image/button.next.unavailable.jpg';
		}
		else{
			$('prev').className = 'button';
			$('prev').src = 'image/button.prev.available.jpg';
			$('next').className = 'button';
			$('next').src = 'image/button.next.available.jpg';
		}
		$('page').innerHTML = curpage+"/"+totalpage;
		positionLayer = findFrameWidth * (curpage-1) * (-1);
		 
		$('findLayer').tween('left', positionLayer+'px');
	}
	catch(e){}
}

function product(menu,name){
	alert("?menu="+menu+"&product="+name);
	document.location="?menu="+menu+"&product="+name;
}

function formCheck(obj){
	if(obj.name.value == ""){
		alert("Name is required");
		obj.name.focus();
		return false;
	}
	if(obj.phone.value == ""){
		alert("Phone Number is required");
		obj.phone.focus();
		return false;
	}
	if(obj.email.value == ""){
		alert("Email Address is required");
		obj.email.focus();
		return false;
	}
	if(!emailCheck(obj.email.value)){
		obj.email.focus();
		return false;
	}
	
	try{
		if(obj.email.value != obj.emailConfirm.value){
			alert("Email Address and Confirm Email Address are not match");
			obj.emailConfirm.focus();
			return false;
		}
	}
	catch(e){
	}
	
	if(obj.msg.value == ""){
		alert("Comments is required");
		obj.msg.focus();
		return false;
	}
	return true;
}


//Email Checker
function emailCheck (emailStr) {	
	var checkTLD=1;		
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;	
	var emailPat=/^(.+)@(.+)$/;	
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";	
	var validChars="\[^\\s" + specialChars + "\]";	
	var quotedUser="(\"[^\"]*\")";	
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;	
	var atom=validChars + '+';	
	var word="(" + atom + "|" + quotedUser + ")";	
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");	
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");	
	var matchArray=emailStr.match(emailPat);
	
	if (matchArray==null) {	
		alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			alert("Ths username contains invalid characters.");
			return false;
	   	}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			alert("Ths domain name contains invalid characters.");
			return false;
		}
	}
	
	if (user.match(userPat)==null) {	
		alert("The username doesn't seem to be valid.");
		return false;
	}
	
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {		
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert("Destination IP address is invalid!");
				return false;
			}
		}
		return true;
	}
	 
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			alert("The domain name does not seem to be valid.");
			return false;
	   	}
	}
	
	if (checkTLD && domArr[domArr.length-1].length!=2 && 
		domArr[domArr.length-1].search(knownDomsPat)==-1) {
		alert("The address must end in a well-known domain or two letter " + "country.");
		return false;
	}
		
	if (len<2) {
		alert("This address is missing a hostname!");
		return false;
	}	
	return true;
}