function initimages() {
//        if (navigator.appName == "Microsoft Internet Explorer") {
                standard = new MakeArray(9);
                over = new MakeArray(9);
                words = new MakeArray(9);

                standard[1].src="resimler/menu1.gif";
                standard[2].src="icerik/menu/investoff.gif";
                standard[3].src="icerik/menu/busoff.gif";
                standard[4].src="icerik/menu/conoff.gif";

                over[1].src="resimler/menu1_1.gif";
                over[2].src="icerik/menu/investon.gif";
                over[3].src="icerik/menu/buson.gif";
                over[4].src="icerik/menu/conon.gif";

//        }

}

function MakeArray(n) {
        this.length = n+1;
        for (var i = 0; i<=n; i++) {
                this[i] = new Image();
        }
        return this;
}
if(navigator.userAgent.substring(0,9)>="Mozilla/3") initimages();

function clikker1(a,b,c,d,f,g,h,i) {
        if (a.style.display =='') {
                a.style.display = 'none';
        }
        else {
                a.style.display='';
                b.style.display = 'none';
                c.style.display = 'none';
                d.style.display = 'none';


                f.src = over[1].src;
                g.src = standard[2].src;
                h.src = standard[3].src;
                i.src = standard[4].src;

        }
}

function clikker2(a,b,c,d,f,g,h,i) {
        if (a.style.display =='') {
                a.style.display = 'none';
        }
        else {
                 a.style.display='';
                b.style.display = 'none';
                c.style.display = 'none';
                d.style.display = 'none';

                f.src = standard[1].src;
                g.src = over[2].src;
                h.src = standard[3].src;
                i.src = standard[4].src;

        }
}

function clikker3(a,b,c,d,f,g,h,i) {
        if (a.style.display =='') {
                a.style.display = 'none';
        }
        else {
                 a.style.display='';
                b.style.display = 'none';
                c.style.display = 'none';
                d.style.display = 'none';


                f.src = standard[1].src;
                g.src = standard[2].src;
                h.src = over[3].src;
                i.src = standard[4].src;

        }
}

function clikker4(a,b,c,d,f,g,h,i) {
        if (a.style.display =='') {
                a.style.display = 'none';
        }
        else {
                 a.style.display='';
                b.style.display = 'none';
                c.style.display = 'none';
                d.style.display = 'none';

                f.src = standard[1].src;
                g.src = standard[2].src;
                h.src = standard[3].src;
                i.src = over[4].src;

        }
}

function nsloadingir() {
// setting up layers for Netscape 4.x and above
if(navigator.appName == "Netscape" && parseInt(navigator.appVersion)>=4) {
                document.layers["HeadTop"].top = 5;
                document.layers["Head1"].top = document.layers["HeadTop"].top+document.layers["HeadTop"].document.height-4;
                //document.layers["Head1"].top = 105;
                document.layers["Menu1"].top = document.layers["Head1"].top+document.layers["Head1"].document.height;
                document.layers["Head2"].top = document.layers["Menu1"].top-4;
                document.layers["Menu2"].top = document.layers["Head2"].top+document.layers["Head2"].document.height;
                document.layers["Head3"].top = document.layers["Menu2"].top-4;
                document.layers["Menu3"].top = document.layers["Head3"].top+document.layers["Head3"].document.height;
                document.layers["Head4"].top = document.layers["Menu3"].top-4;
                document.layers["Menu4"].top = document.layers["Head4"].top+document.layers["Head4"].document.height;
                document.layers["HeadBottom"].top = document.layers["Menu4"].top-4;

                document.layers["HeadTop"].visibility = "show";
                document.layers["Head1"].visibility = "show";
                document.layers["Head2"].visibility = "show";
                document.layers["Head3"].visibility = "show";
                document.layers["Head4"].visibility = "show";
                document.layers["HeadBottom"].visibility = "show";

        }
        return true;
}

function nsloading() {
// setting up layers for Netscape 4.x and above
if(navigator.appName == "Netscape" && parseInt(navigator.appVersion)>=4) {
                document.layers["HeadTop"].top = 80;
                document.layers["Head1"].top = document.layers["HeadTop"].top+document.layers["HeadTop"].document.height-4;
                //document.layers["Head1"].top = 105;
                document.layers["Menu1"].top = document.layers["Head1"].top+document.layers["Head1"].document.height;
                document.layers["Head2"].top = document.layers["Menu1"].top-4;
                document.layers["Menu2"].top = document.layers["Head2"].top+document.layers["Head2"].document.height;
                document.layers["Head3"].top = document.layers["Menu2"].top-4;
                document.layers["Menu3"].top = document.layers["Head3"].top+document.layers["Head3"].document.height;
                document.layers["Head4"].top = document.layers["Menu3"].top-4;
                document.layers["Menu4"].top = document.layers["Head4"].top+document.layers["Head4"].document.height;
                document.layers["HeadBottom"].top = document.layers["Menu4"].top-4;

                document.layers["HeadTop"].visibility = "show";
                document.layers["Head1"].visibility = "show";
                document.layers["Head2"].visibility = "show";
                document.layers["Head3"].visibility = "show";
                document.layers["Head4"].visibility = "show";
                document.layers["HeadBottom"].visibility = "show";

        }
        return true;
}

function nsmouseover(n) {
        if(parseInt(navigator.appVersion)>=4) {
                if(n==1) document.layers["Head1"].document.images[0].src = over[1].src;
                else if(n==2) document.layers["Head2"].document.images[0].src = over[2].src;
                else if(n==3) document.layers["Head3"].document.images[0].src = over[3].src;
                else if(n==4) document.layers["Head4"].document.images[0].src = over[4].src;

        }
        else if(parseInt(navigator.appVersion)==3){
                if(n==1) document.images["Head1"].src=over[1].src;
                else if(n==2) document.images["Head2"].src=over[2].src;
                else if(n==3) document.images["Head3"].src=over[3].src;
                else if(n==4) document.images["Head4"].src=over[4].src;
        }
}

function nsmouseout(n) {
        if(parseInt(navigator.appVersion)>3) {
                if(n==1) document.layers["Head1"].document.images[0].src = standard[1].src;
                else if(n==2) document.layers["Head2"].document.images[0].src = standard[2].src;
                else if(n==3) document.layers["Head3"].document.images[0].src = standard[3].src;
                else if(n==4) document.layers["Head4"].document.images[0].src = standard[4].src;
        }
        else if(parseInt(navigator.appVersion)==3){
                if(n==1) document.images["Head1"].src=standard[1].src;
                else if(n==2) document.images["Head2"].src=standard[2].src;
                else if(n==3) document.images["Head3"].src=standard[3].src;
                else if(n==4) document.images["Head4"].src=standard[4].src;
        }
}
function nsclikker1() {
if(parseInt(navigator.appVersion)>3) {
        if( document.layers["Menu1"].visibility == "hide") {
                document.layers["Menu1"].visibility = "show";
                document.layers["Menu2"].visibility = "hide";
                document.layers["Menu3"].visibility = "hide";
                document.layers["Menu4"].visibility = "hide";

                document.layers["Head2"].top = document.layers["Menu1"].top+document.layers["Menu1"].document.height;
                document.layers["Head3"].top = document.layers["Head2"].top+document.layers["Head2"].document.height-4;
                document.layers["Head4"].top = document.layers["Head3"].top+document.layers["Head3"].document.height-4;
                document.layers["HeadBottom"].top = document.layers["Head4"].top+document.layers["Head4"].document.height-4;

        }
        else {
                document.layers["Menu1"].visibility = "hide";
                document.layers["Menu2"].visibility = "hide";
                document.layers["Menu3"].visibility = "hide";
                document.layers["Menu4"].visibility = "hide";


                document.layers["Head2"].top = document.layers["Menu1"].top-4;
                document.layers["Head3"].top = document.layers["Menu2"].top-4;
                document.layers["Head4"].top = document.layers["Menu3"].top-4;
                document.layers["HeadBottom"].top = document.layers["Menu4"].top-4;

        }
}
}
function nsclikker2() {
if(parseInt(navigator.appVersion)>3) {
        if( document.layers["Menu2"].visibility == "hide") {
                document.layers["Menu1"].visibility = "hide";
                document.layers["Menu2"].visibility = "show";

                document.layers["Menu3"].visibility = "hide";
                document.layers["Menu4"].visibility = "hide";


                document.layers["Head2"].top = document.layers["Menu1"].top-4;
                document.layers["Head3"].top = document.layers["Menu2"].top+document.layers["Menu2"].document.height;
                document.layers["Head4"].top = document.layers["Head3"].top+document.layers["Head3"].document.height-4;
                document.layers["HeadBottom"].top = document.layers["Head4"].top+document.layers["Head4"].document.height-4;


        }
        else {
                document.layers["Menu1"].visibility = "hide";
                document.layers["Menu2"].visibility = "hide";
                document.layers["Menu3"].visibility = "hide";
                document.layers["Menu4"].visibility = "hide";


                document.layers["Head2"].top = document.layers["Menu1"].top-4;
                document.layers["Head3"].top = document.layers["Menu2"].top-4;
                document.layers["Head4"].top = document.layers["Menu3"].top-4;
                document.layers["HeadBottom"].top = document.layers["Menu4"].top-4;

        }
}
}
function nsclikker3() {
if(parseInt(navigator.appVersion)>3) {
        if( document.layers["Menu3"].visibility == "hide") {
                document.layers["Menu1"].visibility = "hide";
                document.layers["Menu2"].visibility = "hide";
                document.layers["Menu3"].visibility = "show";
                document.layers["Menu4"].visibility = "hide";


                document.layers["Head2"].top = document.layers["Menu1"].top-4;
                document.layers["Head3"].top = document.layers["Menu2"].top-4;
                document.layers["Head4"].top = document.layers["Menu3"].top+document.layers["Menu3"].document.height;
                document.layers["HeadBottom"].top = document.layers["Head4"].top+document.layers["Head4"].document.height-4;


        }
        else {
                document.layers["Menu1"].visibility = "hide";
                document.layers["Menu2"].visibility = "hide";
                document.layers["Menu3"].visibility = "hide";
                document.layers["Menu4"].visibility = "hide";


                document.layers["Head2"].top = document.layers["Menu1"].top-4;
                document.layers["Head3"].top = document.layers["Menu2"].top-4;
                document.layers["Head4"].top = document.layers["Menu3"].top-4;
                document.layers["HeadBottom"].top = document.layers["Menu4"].top-4;

        }
}
}

function nsclikker4() {
if(parseInt(navigator.appVersion)>3) {
        if( document.layers["Menu4"].visibility == "hide") {
                document.layers["Menu1"].visibility = "hide";
                document.layers["Menu2"].visibility = "hide";
                document.layers["Menu3"].visibility = "hide";
                document.layers["Menu4"].visibility = "show";


                document.layers["Head2"].top = document.layers["Menu1"].top-4;
                document.layers["Head3"].top = document.layers["Menu2"].top-4;
                document.layers["Head4"].top = document.layers["Menu3"].top-4;
                document.layers["HeadBottom"].top = document.layers["Menu4"].top+document.layers["Menu4"].document.height;


        }
        else {
                document.layers["Menu1"].visibility = "hide";
                document.layers["Menu2"].visibility = "hide";
                document.layers["Menu3"].visibility = "hide";
                document.layers["Menu4"].visibility = "hide";


                document.layers["Head2"].top = document.layers["Menu1"].top-4;
                document.layers["Head3"].top = document.layers["Menu2"].top-4;
                document.layers["Head4"].top = document.layers["Menu3"].top-4;
                document.layers["HeadBottom"].top = document.layers["Menu4"].top-4;

        }
}
}