var ch = new Array();
var cw = new Array();

function goChat(co,c) {
	var f = false;
	var i;
	for(i=0;i<ch.length;i++) {
		if( ch[i] == c ) {
			if( cw[i].closed ) break;
			else {
				cw[i].focus(); f = true;
			}
		}
	}
	if( !f ) {
		random_num = (Math.round((Math.random()*99999)+1));
		ch[i] = c; cw[i] = window.open("/chat/chat.php3?communityID="+co+"&chatID="+c+"&rand="+random_num, "chat"+c, "height=328,width=528,location=no,menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no");
	}
}