function initRollovers() {
	if (!document.getElementById) return

	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

function availCheck(obj,opt) {
	if(opt) {
		obj.value	=	obj.value.toUpperCase().trim();
	}
	if(thisName() == 'setting' || thisName() == 'terminate') {
		obj.value	=	obj.value.replace(/[^a-z0-9_\-\s]/gi,'');
	} else {
		obj.value	=	obj.value.replace(/[^a-z0-9\s]/gi,'');
	}
	try{
		if(obj.name=='joinPasswd'){
			if(obj.value.length>=6){
				var rea=/[a-zA-Z]/;
				var re0=/[0-9]/;
				var flag=0; 
				var error=['','Password must be combination of letters and numbers.','Password must be combination of letters and numbers.'];
				var html	=	document.getElementById('ajaxpassword');
				if(rea.test(obj.value)){ 
					flag+=1;
				}
				if(re0.test(obj.value)){
					flag+=2;
				}
				if(flag!=3){
					document.form1.passwdCheck.value=0;
					html.innerHTML='<font color="red">'+error[flag]+'</font>';
				}else{
					

					var temp	=	'';
					var cnt		=	0;
					for(var i=0;i<=obj.value.length;i++){
						if(i==0){
							continue;
						}
						if(obj.value.substr((i-1),1)	==	obj.value.substr(i,1)){
							cnt++;
						}else{
							cnt=0;
						}
						if(cnt==2){
							document.form1.passwdCheck.value=0;
							html.innerHTML='<font color="red">'+'Don\'t use repeating characters.'+'</font>';
							break;
						}
						
					}
					
					if(cnt<2){
						html.innerHTML='OK';
						document.form1.passwdCheck.value=1;
					}
					
				}
			}else{
				document.getElementById('ajaxpassword').innerHTML='';
				document.form1.passwdCheck.value=0;
			}
		}
	}catch(e){ }
}

function upperCase(obj) {
	obj.value	=	obj.value.toUpperCase();
}

function emailCheck(obj) {
	var emailAvail	=	/^[._a-zA-Z0-9-]+@[._a-zA-Z0-9-]+\.[a-zA-Z]+$/;
	
	if(!emailAvail.test(obj)) return false;
	
	var limitEmail	=	['mailinator2.com','sogetthis.com','mailin8r.com','mailinator.net','spamherelots.com','thisisnotmyrealemail.com','mailinator.com','guerrillamail.com','tempemail.net','mailcatch.com','trashmail.net','zoemail.net','incognitomail.net','spamgourmet.com','litedrop.com','hidzz.com','pookmail.com','hushmail.com','spamavert.com','blockfilter.com','deadaddress.com','wh4f.org','spambox.us','mt2009.com','spam.la','tempinbox.com','saynotospams.com','makemoneytradingstocks.org','spamcero.com','spamcorptastic.com','20minutemail.com','signed-first-edition.com','tempe-mail.com','dumpyemail.com','shieldemail.com','dodgit.com','dandikmail.com','maileater.com','haltospam.com','nospamfor.us','nospam4.us','spamfree24.org','spamfree24.com','spamfree24.eu','spamfree24.de','spamfree24.info','spamfree24.net','tempomail.fr','mint.us.to','skeefmail.com','slopsbox.com'];
	
	for(var i=0;i<limitEmail.length;i++) {
		if(obj.substr(obj.indexOf('@')+1).trim() == limitEmail[i]) return false;
	}
	
	return true;
}

function engCheck(obj) {
    obj.value.replace(/[^a-zA-Z0-9]/gi,"");
}

function allGames() {
	var obj		=	document.getElementById("game");
	
	if(obj.style.display != "block") {
		if(!obj.innerHTML) {
			ajaxRequest("game","/allgames/allgames.php");
		}
		
		obj.style.display	=	"block";
	} else {
		obj.style.display	=	"none";
	}
}

// 내비게이션은 달라도 함수는 openURL
function openURL(bigNum,smallNum) {
	//alert("Comming soon...");
	var filePath;

	if(bigNum == 1) {
		filePath	=	"/";
	} else if(bigNum == 2) {
		allGames();
		return;
	} else if(bigNum == 3) {
		if(!netgameUserCheck()) return;

		filePath	=	"/charge/charge.php";
		/*filePath	=	"#";
		error("Want to purchase nCash? Simply go into the game of your choice, and step inside their Premium Items Shop. Select the nCash menu and you'll soon be on your way to receiving in-game money!");
		return;*/
	} else if(bigNum == 4) {
		filePath	=	"/download/download.php";
	} else if(bigNum == 5) {
		if(!netgameUserCheck()) return;

		switch(parseInt(smallNum)) {
			case 2 :
				filePath	=	"/account/profile.php";
				break;
			case 3 :
				filePath	=	"/account/ncash.php";
				break;
			case 4 :
				filePath	=	"/account/usage.php";
				break;
			case 5 :
				filePath	=	"/account/recharge.php";
				break;
			case 6 :
				filePath	=	"/account/terminate.php";
				break;
			case 7 :
				filePath	=	"/account/coupon.php";
				break;
			default :
				filePath	=	"/account/setting.php";
				break;
		}
	} else if(bigNum == 6) {
		if(!netgameUserCheck()) return;

		switch(parseInt(smallNum)) {
			case 2 :
				filePath	=	"/help/status.php";
				break;
			default :
				filePath	=	"/help/inquiry.php";
				break;
		}
	} else {
		switch(parseInt(smallNum)) {
			case 2 :
				if(getCookie('MGUSA')) {
					error('You already signed in. The menu can be used before you signed in.');
					return;
				}

				filePath	=	"/login/fid.php";
				break;
			case 3 :
				if(getCookie('MGUSA')) {
					error('You already signed in. The menu can be used before you signed in.');
					return;
				}

				filePath	=	"/login/fpasswd.php";
				break;
			case 4 :
				if(!netgameUserCheck()) return;

				filePath	=	"/login/reenter.php";
				break;
			case 5 :
				if(getCookie('MGUSA')) {
					error('You already signed in. The menu can be used before you signed in.');
					return;
				}

				filePath	=	"/login/emailkey.php";
				break;
			case 6 :
				//if(!netgameUserCheck()) return;

				filePath	=	"/login/block_login.php";
				break;
			default :
				if(getCookie('MGUSA')) {
					error('You already signed in. The menu can be used before you signed in.');
					return;
				}

				filePath	=	"/login/create.php";
				break;
		}
	}
	
	if(filePath == "#") {
		alert("Coming soon...");
	} else {
		top.location.href	=	filePath;
	}
}