function OpenChatWindow()
{
        var selain;

        if(parseFloat(navigator.appVersion)>=3)
            selain = true;
        else
            selain =false;
        	helpWnd=window.open('chat/chat_enter.html', 'chat', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width=700,height=500');
        if(selain)
            helpWnd.focus();
}


function OpenUrlToWindow(name,url,winwidth,winheight)
{
   OpenUrlToNewWindow(name,url,winwidth,winheight,'no')
}

function OpenUrlToScrollWindow(name,url,winwidth,winheight)
{
   OpenUrlToNewWindow(name,url,winwidth,winheight,'yes')
}

function OpenUrlToNewWindow(name,url,winwidth,winheight,usescrollbars)
{
        var selain;
	  var settings;
        winwidth=winwidth;
        winheight=winheight;

        //settings="'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width="+(winwidth+50)+",height="+(winheight+50)+"'";		
        settings="'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars="+usescrollbars+",resizable=no,copyhistory=no,width="+winwidth+",height="+winheight+"'";		


        if(parseFloat(navigator.appVersion)>=3)
            selain = true;
        else
            selain =false;
        	helpWnd=window.open(url, name, settings);
        if(selain)
            helpWnd.focus();
}