var Appversion = navigator.appVersion.charAt(0);
var Appname = navigator.appName.charAt(0);
var OSFlag;
with( document ){
	if(navigator.appVersion.indexOf("Mac") > -1){
		if( Appname == "M" ){
			// �� MAC IE
			OSFlag = "MacIE"
		}
		else{
			if( Appversion < 5 ){
				// �� MAC NN 4.x
				OSFlag = "MacNN4"
		 	}else{
				// �� MAC NN 7.x
				OSFlag = "MacNN7"
		 	}
		 }
	}
	else{
		if( Appname == "M" ){
			// �� WIN IE
			OSFlag = "WinIE"
		}
		else{
			if( Appversion < 5 ){
				// �� WIN NN 4.x
				OSFlag = "WinNN4"
			}else{
				// �� WIN NN 7.x
				OSFlag = "WinNN7"
			}
		}
	}
}


function openMainWin(wUrl){
	var wObj2;
	wObj2 = window.open(wUrl,'Main');
	if(wUrl != "../index2.html"){
		wObj2.focus();
	}
}


//_______________________________________________________________[Product Popup Only_Child to Parent]
function changeParURL(wUrl){
	bCheck = CheckParWin();
	if(bCheck){
		if(wUrl != "../index2.html"){
			window.opener.focus();
		}
		window.opener.location.href = wUrl;
	}else{
		openMainWin(wUrl);
	}
}

function changeURL(wUrl){
	window.location.href = wUrl
}


//_______________________________________________________________[Product Popup Only_ Check Parent Win]
function CheckParWin(){
	if ((navigator.userAgent.indexOf("Mac") > -1)){
		if (window.opener){
			bOpen = true;
		}else{
			bOpen = false;
		}
	}else{
		if(OSFlag == "WinNN4"){
			if (!window.opener.closed){
				bOpen = true;
			}else{
				bOpen = false;
			}
		}else{
			if (window.opener&&!window.opener.closed){
				bOpen = true;
			}else{
				bOpen = false;
			}
		}
	}
	return bOpen;
}