function detectBrowser() {
var browser=navigator.appName
var b_version=navigator.appVersion
var version=parseFloat(b_version)
return browser;
}

function switchMenu(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != "none" ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

function switchImg(obj, img) {
	var el = document.getElementById(obj);
	var my_img = img;
	el.src = my_img;
    }

/*
function switchImg(obj, img) {
	var el = document.getElementById(obj);
	var my_img = img;
	var img_source = "./img/";
	var src_link_other = img_source + "24_" + my_img;
	var src_link = img_source + my_img;
	//document.write(src_link_other);
	if (detectBrowser() == "Microsoft Internet Explorer")
		{
			el.src = src_link;
		}
		else
		{
			
			el.src = src_link_other;
		}
}
*/