var openMenuElmnt;

function showmenu(id)
{
	var menuElmnt = document.getElementById(id);
	//document.body.appendChild( document.getElementById("menu") );
	if (menuElmnt!=null){
		menuElmnt.style.visibility="visible";
		openMenuElmnt = menuElmnt;
	}
	//menuElmnt.style.overflow="visible";


}
function hidemenu()
{
	//var menuElmnt = document.getElementById(id);
	if (openMenuElmnt!=null){
		openMenuElmnt.style.visibility="hidden";
	}

}

function rollOver(name,src) {

	if(window.document.images) {
		//alert(window.document.images[name].src);
			window.document.images[name].src=src;
	}
}