//main functions

 	bname = navigator.appName;
     bver = parseFloat(navigator.appVersion);    
     home = '_layout/images/m/';
     v4=false;
     if (bver >= 4)
     	{
 		v4=true;

		bb1=new Image(); bb2=new Image ();
 		bb1.src=home + "b2.gif"; bb2.src=home + "b2a.gif";		
 		bc1=new Image(); bc2=new Image ();
 		bc1.src=home + "b3.gif"; bc2.src=home + "b3a.gif";		
 		bd1=new Image(); bd2=new Image ();
 		bd1.src=home + "b4.gif"; bd2.src=home + "b4a.gif";				
 	}
     else (alert("WARNING !!! Your browser is too old and will not display the page optimally !\n           Please upgrade to Netscape Communicator 4.X\n        Download it FREE from http://home.netscape.com !"));
     
 	function s1(imagE)
     	{
    		if (v4)
				{
				var obj_image=document.getElementById(imagE);
				obj_image.src=eval(imagE+"2.src");
				//document [imagE].src=eval(imagE+"2.src");
				}
    	}
 
    function s2(imagE)
        {
      		if (v4)
				{
				//document  [imagE].src=eval(imagE+"1.src");
				var obj_image=document.getElementById(imagE);
				obj_image.src=eval(imagE+"1.src");
				}
     	}