function jsPopupRules()
{
    window.open("rules.html");
}

var hwndPopup_27b5;
function openpopup_27b5(url)
{
    var popupWidth = 533;
    var popupHeight = 370;
    var popupTop = 300;
    var popupLeft = 300;
    var isFullScreen = false;
    var isAutoCenter = true;
    var popupTarget = "popupwin_upload";
    var popupParams = "toolbar=0, scrollbars=0, menubar=0, status=1, resizable=0";

    if (isFullScreen) {
	    popupParams += ", fullscreen=1";
    } else if (isAutoCenter) {
	    popupTop	= parseInt((window.screen.height - popupHeight)/2);
	    popupLeft	= parseInt((window.screen.width - popupWidth)/2);
    }

    var ua = window.navigator.userAgent;
    var isOpera = (ua.indexOf("Opera") > -1);
    var operaVersion;
    if (isOpera) {
	    var i = ua.indexOf("Opera");
	    operaVersion = parseFloat(ua.substring(i + 6, ua.indexOf(" ", i + 8)));
	    if (operaVersion > 7.00) {
		    var isAccessible = false;
		    eval("try { isAccessible = ( (hwndPopup_27b5 != null) && !hwndPopup_27b5.closed ); } catch(exc) { } ");
		    if (!isAccessible) {
			    hwndPopup_27b5 = null;
		    }
	    }
    }
    if ( (hwndPopup_27b5 == null) || hwndPopup_27b5.closed ) {
    	
	    if (isOpera && (operaVersion < 7)) {
		    if (url.indexOf("http") != 0) {
			    hwndPopup_27b5 = window.open(url,popupTarget,popupParams + ((!isFullScreen) ? ", width=" + popupWidth +", height=" + popupHeight : ""));
			    if (!isFullScreen) {
				    hwndPopup_27b5.moveTo(popupLeft, popupTop);
			    }
			    hwndPopup_27b5.focus();
			    return;
		    }
	    }
	    if (!(window.navigator.appName == "Netscape" && !document.getElementById)) {
		    //not ns4
		    popupParams += ", width=" + popupWidth +", height=" + popupHeight + ", left=" + popupLeft + ", top=" + popupTop;
	    } else {
		    popupParams += ", left=" + popupLeft + ", top=" + popupTop;
	    }
	    //alert(popupParams);
	    hwndPopup_27b5 = window.open("",popupTarget,popupParams);
	    if (!isFullScreen) {
		    hwndPopup_27b5.resizeTo(popupWidth, popupHeight);
		    hwndPopup_27b5.moveTo(popupLeft, popupTop);
	    }
	    hwndPopup_27b5.focus();
	    with (hwndPopup_27b5.document) {
		    open();
		    write("<ht"+"ml><he"+"ad></he"+"ad><bo"+"dy onLoad=\"window.location.href='" + url + "'\"></bo"+"dy></ht"+"ml>");
		    close();
	    }
    } else {
	    if (isOpera && (operaVersion > 7.00)) {
		    eval("try { hwndPopup_27b5.focus();	hwndPopup_27b5.location.href = url; } catch(exc) { hwndPopup_27b5 = window.open(\""+ url +"\",\"" + popupTarget +"\",\""+ popupParams + ", width=" + popupWidth +", height=" + popupHeight +"\"); } ");
	    } else {
		    hwndPopup_27b5.focus();
		    hwndPopup_27b5.location.href = url;
	    }
    }
}