if (document.images) {            
            img1on = new Image();   img1on.src = "images/b1a.jpg"; 
            img2on = new Image();   img2on.src = "images/b2a.jpg";
            img3on = new Image();   img3on.src = "images/b3a.jpg";  
            img4on = new Image();   img4on.src = "images/b4a.jpg";  
            img5on = new Image();   img5on.src = "images/b5a.jpg";
            img6on = new Image();   img6on.src = "images/b6a.jpg";
            

            img1off = new Image();  img1off.src = "images/b1.jpg";
            img2off = new Image();  img2off.src = "images/b2.jpg";
            img3off = new Image();  img3off.src = "images/b3.jpg";
            img4off = new Image();  img4off.src = "images/b4.jpg";
            img5off = new Image();  img5off.src = "images/b5.jpg";
            img6off = new Image();  img6off.src = "images/b6.jpg";
      }

    function imgOn(imgName) {
            if (document.images) {
                document[imgName].src = eval(imgName + "on.src");       
            }
    }

    function imgOff(imgName) {
            if (document.images) {
                document[imgName].src = eval(imgName + "off.src");        
            }
    }


 function doit(htmfile) {
	popUpWin = window.open(htmfile,'smallWin','height=350,width=400,toolbar=0,location=0, directories=0,status=0,menubar=0,scrollbars=yes,resizable=1')
	if (navigator.appName == 'Netscape') {
		popUpWin.focus()
	}
 }