if (!gNewWindow) {
	var gNewWindow = null;
}

function openWin(url, n, w, h, st){
	var width = parseInt(w);
	var height = parseInt(h);
	var toolbar;
	var location;
	var directories;
	var status;
	var menubar;
	var resizable;
	var scrollbars;
	var dependent;

	st.charAt(0) == '1'	?  toolbar = 'yes' 		: toolbar = 'no';
	st.charAt(1) == '1'	?  location = 'yes' 	: location = 'no';
	st.charAt(2) == '1'	?  directories = 'yes' 	: directories = 'no';
	st.charAt(3) == '1'	?  status = 'yes' 		: status = 'no';
	st.charAt(4) == '1'	?  menubar = 'yes' 		: menubar = 'no';
	st.charAt(5) == '1'	?  resizable = 'yes' 	: resizable = 'no';
	st.charAt(6) == '1'	?  scrollbars = 'yes' 	: scrollbars = 'no';
	st.charAt(7) == '1'	?  dependent = 'yes' 	: dependent = 'no';

	if (scrollbars == 'yes') {
		// NN5 over
		if (gBrowser == "NN" && gVersion >= 5) {
			width += 15;
			height += 1;
			toolbar = 'yes'

		// NN4 for Mac
		} else if (gPlatform == "Mac" && gBrowser == "NN" && gVersion >= 4) {
			width += 15;
			height -= 0;

		// NN4(for Win)
		} else if (gBrowser == "NN" && gVersion >= 4) {
			width += 16;
			height += 10;

		// IE5 for Mac
		} else if (gPlatform == "Mac" && gBrowser == "MSIE" && gVersion >= 5) {
			width -= 0;
			height -= 16;

		// IE4 for Mac
		} else if (gPlatform == "Mac" && gBrowser == "MSIE" && gVersion >= 4) {
			width -= 0;
			height -= 14;

		// IE5(for Win)
		} else if (gBrowser == "MSIE" && gVersion >= 5) {
			width += 16;
			height += 0;

		// IE4(for Win)
		} else if (gBrowser == "MSIE" && gVersion >= 4) {
			width += 16;
			height += 0;

		// other
		} else {
			width += 0;
			height += 0;
		}
	} else {
		// NN5 over
		if (gBrowser == "NN" && gVersion >= 5) {
			width += 1;
			height += 1;
			toolbar = 'yes'

		// NN4 for Mac
		} else if (gPlatform == "Mac" && gBrowser == "NN" && gVersion >= 4) {
			width -= 0;
			height -= 0;

		// NN4(for Win)
		} else if (gBrowser == "NN" && gVersion >= 4) {
			width -= 0;
			height -= 0;

		// IE5 for Mac
		} else if (gPlatform == "Mac" && gBrowser == "MSIE" && gVersion >= 5) {
			width -= 0;
			height -= 0;

		// IE4 for Mac
		} else if (gPlatform == "Mac" && gBrowser == "MSIE" && gVersion >= 4) {
			width -= 0;
			height += 2;

		// IE5(for Win)
		} else if (gBrowser == "MSIE" && gVersion >= 5) {
			width += 0;
			height += 0;

		// IE4(for Win)
		} else if (gBrowser == "MSIE" && gVersion >= 4) {
			width += 0;
			height += 0;

		// other
		} else {
			width += 0;
			height += 0;
		}
	}

	if (status == 'yes') {
		// NN4 for Mac
		if (gPlatform == "Mac" && gBrowser == "NN" && gVersion >= 4 && gVersion < 5) {
			width -= 15;
			height -= 0;

		// IE4 for Mac
		}else if(gPlatform == "Mac" && gBrowser == "MSIE" && gVersion >= 4 && gVersion < 5){
			width -= 0;
			height += 40;

		}
	}


	if (gPlatform == "Mac" && gBrowser == "MSIE" && gVersion == 4) {
		gNewWindow = null;
	}
	if (gNewWindow) {
		if (!gNewWindow.closed) {
			if (gNewWindow.name == n) {
				gNewWindow.location.href = url;
				return;
			} else {
				closeWin();
			}
		}
	}
	var win_size = 'width=' + width + ',height=' + height;
	var win_attr = 'toolbar=' + toolbar + ',location=' + location + ',directories=' + directories + ',status=' + status + ',menubar=' + menubar + ',resizable=' + resizable + ',scrollbars=' + scrollbars + ',dependent=' + dependent;

	gNewWindow = open(url, n, win_attr + ',' + win_size);
	gNewWindow.name = n;
}

function closeWin(){
	if (gNewWindow) {
		if (!gNewWindow.closed) {
			gNewWindow.close();
			gNewWindow = null;
		}
	}
}