function checkBrowser(){
        this.ver=navigator.appVersion
        this.dom=document.getElementById?1:0
        this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
        this.ie4=(document.all && !this.dom)?1:0;
        this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
        this.ns4=(document.layers && !this.dom)?1:0;
        this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
        return this
}

bw=new checkBrowser();

last='primeiro';
//With nested layers for netscape, this function hides the layer if it's visible and viceversa
function showHide(div,nest){
        if(last!=div) {
        obj2=bw.dom?document.getElementById(last).style:bw.ie4?document.all[last].style:bw.ns4?nest?document[nest].document[last]:document[last]:0;
        obj2.visibility='hidden';
        }
        if(div=='falso') {
                return;
        }
        obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0;
        if(obj.visibility=='visible' || obj.visibility=='show')
                obj.visibility='hidden';
        else obj.visibility='visible';
        last=div;
}

    if (document.images) {
        butt1 = new Image(107,15); butt1.src = "img/butt1_off.gif";
        butt1_on = new Image(107,15); butt1_on.src = "img/butt1_on2.gif";

        butt2 = new Image(106,15); butt2.src = "img/butt2_off.gif";
        butt2_on = new Image(106,15); butt2_on.src = "img/butt2_on2.gif";

        butt3 = new Image(106,15); butt3.src = "img/butt3_off.gif";
        butt3_on = new Image(106,15); butt3_on.src = "img/butt3_on2.gif";

        butt4 = new Image(106,15); butt4.src = "img/butt4_off.gif";
        butt4_on = new Image(106,15); butt4_on.src = "img/butt4_on.gif";

        butt5 = new Image(107,15); butt5.src = "img/butt5_off.gif";
        butt5_on = new Image(107,15); butt5_on.src = "img/butt5_on2.gif";

        butt6 = new Image(42,15); butt6.src = "img/butt6_off.gif";
        butt6_on = new Image(42,15); butt6_on.src = "img/butt6_on.gif";

        butt7 = new Image(154,44); butt7.src = "img/online_off.gif";
        butt7_on = new Image(154,44); butt7_on.src = "img/online_on.gif";	
		
        butt8 = new Image(20,22); butt8.src = "img/seta_off.gif";
        butt8_on = new Image(20,22); butt8_on.src = "img/seta_on.gif";			
		
        a1 = new Image(124,11); a1.src = "img/butt1a_off.gif";
        a1_on = new Image(124,11); a1_on.src = "img/butt1a_on.gif";		
		
        a2 = new Image(124,11); a2.src = "img/butt1b_off.gif";
        a2_on = new Image(124,11); a2_on.src = "img/butt1b_on.gif";

        a3 = new Image(124,11); a3.src = "img/butt1c_off.gif";
        a3_on = new Image(124,11); a3_on.src = "img/butt1c_on.gif";

        a4 = new Image(124,11); a4.src = "img/butt1d_off.gif";
        a4_on = new Image(124,11); a4_on.src = "img/butt1d_on.gif";

        b1 = new Image(124,11); b1.src = "img/butt2a_off.gif";
        b1_on = new Image(124,11); b1_on.src = "img/butt2a_on.gif";

        b2 = new Image(124,11); b2.src = "img/butt2b_off.gif";
        b2_on = new Image(124,11); b2_on.src = "img/butt2b_on.gif";

        c0 = new Image(10,11); c0.src = "img/butt3card_off.gif";
        c0_on = new Image(10,11); c0_on.src = "img/butt3card_on.gif";

        c1 = new Image(10,11); c1.src = "img/butt3a_off.gif";
        c1_on = new Image(10,11); c1_on.src = "img/butt3a_on.gif";

        c2 = new Image(10,11); c2.src = "img/butt3b_off.gif";
        c2_on = new Image(10,11); c2_on.src = "img/butt3b_on.gif";

        c3 = new Image(10,11); c3.src = "img/butt3c_off.gif";
        c3_on = new Image(10,11); c3_on.src = "img/butt3c_on.gif";

        c4 = new Image(10,11); c4.src = "img/butt3d_off.gif";
        c4_on = new Image(10,11); c4_on.src = "img/butt3d_on.gif";

        c5 = new Image(10,11); c5.src = "img/butt3e_off.gif";
        c5_on = new Image(10,11); c5_on.src = "img/butt3e_on.gif";

        c6 = new Image(10,11); c6.src = "img/butt3f_off.gif";
        c6_on = new Image(10,11); c6_on.src = "img/butt3f_on.gif";

        c7 = new Image(10,11); c7.src = "img/butt3g_off.gif";
        c7_on = new Image(10,11); c7_on.src = "img/butt3g_on.gif";

        c8 = new Image(10,11); c8.src = "img/butt3h_off.gif";
        c8_on = new Image(10,11); c8_on.src = "img/butt3h_on.gif";

        c9 = new Image(10,11); c9.src = "img/butt3i_off.gif";
        c9_on = new Image(10,11); c9_on.src = "img/butt3i_on.gif";

        c10 = new Image(10,11); c10.src = "img/butt3j_off.gif";
        c10_on = new Image(10,11); c10_on.src = "img/butt3j_on.gif";

        c11 = new Image(10,11); c11.src = "img/butt3k_off.gif";
        c11_on = new Image(10,11); c11_on.src = "img/butt3k_on.gif";

        c12 = new Image(10,11); c12.src = "img/butt3l_off.gif";
        c12_on = new Image(10,11); c12_on.src = "img/butt3l_on.gif";

        c13 = new Image(10,11); c13.src = "img/butt3m_off.gif";
        c13_on = new Image(10,11); c13_on.src = "img/butt3m_on.gif";

        c14 = new Image(10,11); c14.src = "img/butt3n_off.gif";
        c14_on = new Image(10,11); c14_on.src = "img/butt3n_on.gif";

        c15 = new Image(10,11); c15.src = "img/butt3o_off.gif";
        c15_on = new Image(10,11); c15_on.src = "img/butt3o_on.gif";

        c16 = new Image(10,11); c16.src = "img/butt3p_off.gif";
        c16_on = new Image(10,11); c16_on.src = "img/butt3p_on.gif";

        c17 = new Image(10,11); c17.src = "img/butt3q_off.gif";
        c17_on = new Image(10,11); c17_on.src = "img/butt3q_on.gif";

        c18 = new Image(10,11); c18.src = "img/butt3r_off.gif";
        c18_on = new Image(10,11); c18_on.src = "img/butt3r_on.gif";

        c19 = new Image(10,11); c19.src = "img/butt3s_off.gif";
        c19_on = new Image(10,11); c19_on.src = "img/butt3s_on.gif";

        c20 = new Image(10,11); c20.src = "img/butt3t_off.gif";
        c20_on = new Image(10,11); c20_on.src = "img/butt3t_on.gif";

        c21 = new Image(10,11); c21.src = "img/butt3u_off.gif";
        c21_on = new Image(10,11); c21_on.src = "img/butt3u_on.gif";

        c22 = new Image(10,11); c22.src = "img/butt3v_off.gif";
        c22_on = new Image(10,11); c22_on.src = "img/butt3v_on.gif";

        c23 = new Image(10,11); c23.src = "img/butt3w_off.gif";
        c23_on = new Image(10,11); c23_on.src = "img/butt3w_on.gif";

        c24 = new Image(10,11); c24.src = "img/butt3x_off.gif";
        c24_on = new Image(10,11); c24_on.src = "img/butt3x_on.gif";

        c25 = new Image(10,11); c25.src = "img/butt3y_off.gif";
        c25_on = new Image(10,11); c25_on.src = "img/butt3y_on.gif";

        c26 = new Image(10,11); c26.src = "img/butt3z_off.gif";
        c26_on = new Image(10,11); c26_on.src = "img/butt3z_on.gif";

        d1 = new Image(105,11); d1.src = "img/butt5a_off.gif";
        d1_on = new Image(105,11); d1_on.src = "img/butt5a_on.gif";

        d2 = new Image(134,11); d2.src = "img/butt5b_off.gif";
        d2_on = new Image(134,11); d2_on.src = "img/butt5b_on.gif";

}