function showmenu(elmnt)
{
var divelmnt = "div"+elmnt;
var element = document.getElementById(elmnt);

element.style.visibility="visible";
document.getElementById(divelmnt).style.zIndex="1";
}
function hidemenu(elmnt)
{

var divelmnt = "div"+elmnt;
var element = document.getElementById(elmnt);
element.style.visibility="hidden";
document.getElementById(divelmnt).style.zIndex="-1";
}
function chbg(elmnt){
	
    document.getElementById(elmnt).style.backgroundColor="#b8030c";
    document.getElementById(elmnt).childNodes[0].style.color="#ffffff";

}
function chbackbg(elmnt){
	document.getElementById(elmnt).style.backgroundColor="#ffffff";
	document.getElementById(elmnt).childNodes[0].style.color="#333333";
}