// JavaScript Document
// Rollover ---------------------------------------------------------------------
// Browser
browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);
if (browser_name == "Netscape" && browser_version >= 3.0) {
	rollover = 'true';
}else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 4.0){
	rollover = 'true';
}else {
	rollover = 'false'; 
}
function tgl_prev(img,state) {
	if (rollover == 'true') {
		if(state){
			document.images[img].src = document.images[img].src.replace("_0.gif", "_1.gif");
		}else{
			document.images[img].src = document.images[img].src.replace("_1.gif", "_0.gif");
		}
	}
}