browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
var ver = false
if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) ver = true;
if (browserName == "Netscape" && browserVer >= 3) ver = true;

if (ver){
	imgdove = new Image();
	imgdove.src = "../images/imgb_dove.jpg";
	load = true;
}


function ON_img() {
	if (ver && load) {
		document.img.src = imgdove.src;
	}
}


function OFF_img() {
	if (ver && load) {
		document.img.src = "../images/img_dove.jpg";
	}
}