//detect browser:
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) 
	browserVer = "1";
else if (browserName == "Microsoft Internet Explorer" && browserVer == 4) 
	browserVer = "1";
else browserVer = "2";



//preload images:
if (browserVer == 1) {
	
m1_on = new Image(125,33);
m1_on.src = "images/menu_artists_on.gif";
m1_off = new Image(125,33);
m1_off.src = "images/menu_artists_off.gif";

m2_on = new Image(147,33);
m2_on.src = "images/menu_wshops_on.gif";
m2_off = new Image(147,33);
m2_off.src = "images/menu_wshops_off.gif";

m3_on = new Image(118,33);
m3_on.src = "images/menu_itinery_on.gif";
m3_off = new Image(118,33);
m3_off.src = "images/menu_itinery_off.gif";


m4_on = new Image(122,33);
m4_on.src = "images/menu_contacts_on.gif";
m4_off = new Image(122,33);
m4_off.src = "images/menu_contacts_off.gif";

m5_on = new Image(121,33);
m5_on.src = "images/menu_sponsors_on.gif";
m5_off = new Image(121,33);
m5_off.src = "images/menu_sponsors_off.gif";


m6_on = new Image(123,33);
m6_on.src = "images/menu_workshops_on.gif";
m6_off = new Image(123,33);
m6_off.src = "images/menu_workshops_off.gif";

m7_on = new Image(200,33);
m7_on.src = "images/menu_workshoptrainers_on.gif";
m7_off = new Image(200,33);
m7_off.src = "images/menu_workshoptrainers_off.gif";


}