function trd() 
{

        var w,h;

        h=1;

        w=1;

        h=screen.height/2-140;

        w=screen.width/2-275;

 window.open ("chat_trd.html", "trdChat", "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,fullscreen=0,top=0,left=0,height=400,width=800,top="+h+",left="+w) 

}

function webboard() 
{

        var w,h;

        h=1;

        w=1;

        h=screen.height/2-140;

        w=screen.width/2-275;

 window.open ("chat_webboard.html", "webboardChat", "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,fullscreen=0,top=0,left=0,height=400,width=800,top="+h+",left="+w) 

}