function openJavaWin() {
var n=open('/community/chatmain.shtml','IRCJavaChat','width=780,height=500,status=no,menubar=no,scrollbars=no,resizable=no,left=0,top=0');
}

    function PopUp(url, name, width,height,center,resize,scroll,posleft,postop) {
    if (posleft != 0) { x = posleft }
    if (postop  != 0) { y = postop  }

    if (!scroll) { scroll = 1 }
    if (!resize) { resize = 1 }

    if ((parseInt (navigator.appVersion) >= 4 ) && (center)) {
      X = (screen.width  - width ) / 2;
      Y = (screen.height - height) / 2;
    }
    if (scroll != 0) { scroll = 1 }

    var Win = window.open( url, name, 'width='+width+',height='+height+',top='+Y+',left='+X+',resizable='+resize+',scrollbars='+scroll+',location=yes,directories=no,status=no,menubar=no,toolbar=no');
	}