var GRS_chatwin="";
function GRS_mkSubWin(URL,winName,w,h){
	var GRS_para=""
		+",toolbar="		+0
		+",location="		+0
		+",directories="	+0
		+",menubar="		+0
		+",scrollbars="		+0
		+",resizable="		+1
		+",width="			+w
		+",height="			+h
	GRS_chatwin=window.open(URL,winName,GRS_para);
	GRS_chatwin.opener=self;
	GRS_chatwin.focus();
}