var windowheight = 600;
	var windowwidth  = 680;

	function goUrl(page){
		var sW = screen.width;
		var sH = screen.height;
		var	wtop = 0;
		var	wleft = 0;
		if ((sH != 600)||(sW != 680) ) {
			wtop = (sH / 2)-(windowheight/2);
			wleft = (sW / 2)-(windowwidth/2);
		}//end if
		window.open( page ,'',"top="+wtop+",left="+wleft+",scrollbars=yes,status=no,menubar=nos,location=no,resizable=no,height="+ windowheight +", width="+ windowwidth);
	}//end function

	function Close(){
		window.close();
	}//end function