document.onmousedown=click;

function topchk(){
if (top == self) {
    top.location.href = 'http://users.erols.com/cassilly/ISHindex.html'
    //top.location.href = 'C:/Documents and Settings/Administrator.CASSILLY/My Documents/HTML/ISH/ISHindex.html'
    }
}    


function click() {
    var browser = navigator.appName;
    if (browser=='Microsoft Internet Explorer') {
        if (event.button==2)   {
            str = "Copyright ©2000 Welcome to the ISH Address Book";
            str = str + "";
            str = str + "";
            alert (str);
        }
    }
}