var nav;
if ((navigator.userAgent.indexOf("Opera")!=-1) && (document.getElementById)){ nav = "Op"; }
if (document.all){ nav = "Ie"; }
if ((!document.all) && (document.getElementById)){ nav = "Mo"; }

function sh(menuId){
	var lid = "a"+menuId;
	var im = "b"+menuId;
	var obj = document.getElementById(lid)
	if(obj.style.visibility=="visible"){
		document[im].src = 'media/inner/innerIcon.gif'
		obj.style.visibility = "hidden";
	}else{
		obj.style.visibility = "visible";
		document[im].src = 'media/inner/innerIcon_over.gif';
	}
}

function changeOver(imgicon){	
	document[imgicon].src = 'media/main/icon_over.gif';
}

function changeOut(imgicon){
	document[imgicon].src = 'media/main/icon.gif';
}

function chkinput(){
	if (document.forms[0].searchinput.value==''){
		document.getElementById('searchmsg').style.visibility='visible';
		document.forms[0].searchinput.focus();
		return false;	
	}
}