/* Determines the browser name and browser version */
    var brow = ((navigator.appName) + (parseInt(navigator.appVersion)));
    /* reassign variable depending on the browser */
        var nav = false
        var iex = false
    if (brow == "Netscape4") 
    {nav = true}
    else if (brow == "Netscape3") 
    {nav = true}
                else if (brow == "Netscape5") 
       {nav = true}
        else if (brow == "Microsoft Internet Explorer4") 
        {iex = true}
    	    else if (brow == "Microsoft Internet Explorer3") 
    	    {iex = true}
    		    else 
    		    {
                                nav = false
                                iex = false
                            }
    
    var docObj,styleObj
        if (iex){
            docObj = 'document.all'
            styleObj = '.style'
            nav = false
        }
        
        if (nav){
            docObj = 'document'
            styleObj = ''
            nav = true
        }