urlOpera = 'http://www.operainfo.org/broadcast/operaMain.cgi';

if (document.images) {
	var button1_OFF = new Image();
        var button1_ON  = new Image();

	var button2_OFF = new Image();
	var button2_ON  = new Image();

	var button3_OFF = new Image();
	var button3_ON  = new Image();

	var button4_OFF = new Image();
	var button4_ON  = new Image();

	var button5_OFF = new Image();
	var button5_ON  = new Image();
           
	var button6_OFF = new Image();
	var button6_ON  = new Image();

	var button7_OFF = new Image();
	var button7_ON  = new Image();
                    
	var button8_OFF = new Image();
	var button8_ON  = new Image();
 
	var button9_OFF = new Image();
	var button9_ON  = new Image();

	var button10_OFF = new Image();
	var button10_ON  = new Image();

	var button11_OFF = new Image();
	var button11_ON  = new Image();

	var button12_OFF = new Image();
	var button12_ON  = new Image();

	var button13_OFF = new Image();
	var button13_ON  = new Image();

	var button14_OFF = new Image();
	var button14_ON  = new Image();

	var button15_OFF = new Image();
	var button15_ON  = new Image();
           
	button1_OFF.src	= "/images/site/sub/br_bac_but.gif";
	button1_ON.src	= "/images/site/sub/br_bac_but_hi.gif";

	button2_OFF.src	= "/images/site/sub/br_cas_but.gif";
	button2_ON.src	= "/images/site/sub/br_cas_but_hi.gif";

	button3_OFF.src	= "/images/site/sub/br_com_but.gif";
	button3_ON.src	= "/images/site/sub/br_com_but_hi.gif";

	button4_OFF.src	= "/images/site/sub/br_sto_but.gif";
	button4_ON.src	= "/images/site/sub/br_sto_but_hi.gif";

	button5_OFF.src	= "/images/site/sub/br_syn_but.gif";
	button5_ON.src	= "/images/site/sub/br_syn_but_hi.gif";

	button6_OFF.src	= "/images/site/sub/br_tea_but.gif";
	button6_ON.src	= "/images/site/sub/br_tea_but_hi.gif";

	button7_OFF.src	= "/images/site/sub/br_rel_but.gif";
	button7_ON.src	= "/images/site/sub/br_rel_but_hi.gif";

	button8_OFF.src	= "/images/site/sub/br_lin_but.gif";
	button8_ON.src	= "/images/site/sub/br_lin_but_hi.gif";

	button9_OFF.src	= "/images/site/sub/br_pas_but.gif";
	button9_ON.src	= "/images/site/sub/br_pas_but_hi.gif";

	button10_OFF.src= "/images/site/home/metop_mainnav_01.gif";
	button10_ON.src	= "/images/site/home/metop_mainnav_01_roll.gif";

	button11_OFF.src= "/images/site/home/metop_mainnav_02.gif";
	button11_ON.src	= "/images/site/home/metop_mainnav_02_roll.gif";

	button12_OFF.src= "/images/site/home/metop_mainnav_03.gif";
	button12_ON.src	= "/images/site/home/metop_mainnav_03_roll.gif";

	button13_OFF.src= "/images/site/home/metop_mainnav_04.gif";
	button13_ON.src	= "/images/site/home/metop_mainnav_04_roll.gif";

	button14_OFF.src= "/images/site/home/metop_mainnav_05.gif";
	button14_ON.src	= "/images/site/home/metop_mainnav_05_roll.gif";

	button15_OFF.src= "/images/site/home/metop_mainnav_06.gif";
	button15_ON.src	= "/images/site/home/metop_mainnav_06_roll.gif";

}
var rollover_OK = "no";
function readyToGo() {
	rollover_OK = "yes";

	// Activate the "activeSideButton"
	if(activeSideButton > 0){
		document.images["button" + activeSideButton].src = eval("button" + activeSideButton + "_ON.src");
	}

	// Activate the "activeTopButton"
	if(activeTopButton > 0){
		document.images["button" + activeTopButton].src = eval("button" + activeTopButton + "_ON.src");
	}
}

function showButton(num,state) {
	if (num != activeSideButton && num != activeTopButton){
    		if ((document.images) && (rollover_OK == "yes")) {
			document.images["button" + num].src = eval("button" + num + "_" + state + ".src");
		}
	}
}

// script to handle change of operas dropdown
function newPage(form){
	var option = form.options[form.selectedIndex].value;
	location.href = urlOpera + '?' + option;
}