var ie_six = "no";
if( navigator.appName.indexOf("Microsoft") > -1 ) {
	if( navigator.appVersion.indexOf("MSIE 6") > -1)  {
        ie_six = "yes";
    } else {
		ie_six = "no";
    }
}

function swapMenuimg(id){
	for(i=1;i<6;i++){
		if(id==i){
			if(ie_six == "yes"){
				document.getElementById("menu0"+ i +"_s").style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../img/menu/top_menu0"+i+"_over.png')"; 
			} else {
				document.getElementById("menu0"+i).src = "../img/menu/top_menu0"+i+"_over.png";
			}
		} else {
			if(ie_six == "yes"){	
				document.getElementById("menu0"+ i +"_s").style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../img/menu/top_menu0"+i+".png')"; 
			} else {
				document.getElementById("menu0"+i).src = "../img/menu/top_menu0"+i+".png";
			}
		}
	}
}
function swapMenu(imgid, overimg){
	if(imgid == "1"){
		document.getElementById("menu01_submenu").style.display = 'block';
		document.getElementById("menu02_submenu").style.display = 'none';
		document.getElementById("menu03_submenu").style.display = 'none';
		document.getElementById("menu05_submenu").style.display = 'none';
		document.getElementById("topMenuSub").style.display = 'block';
	} else if(imgid == "2"){
		document.getElementById("menu01_submenu").style.display = 'none';
		document.getElementById("menu02_submenu").style.display = 'block';
		document.getElementById("menu03_submenu").style.display = 'none';
		document.getElementById("menu05_submenu").style.display = 'none';
		document.getElementById("topMenuSub").style.display = 'block';
	} else if(imgid == "3"){
		document.getElementById("menu01_submenu").style.display = 'none';
		document.getElementById("menu02_submenu").style.display = 'none';
		document.getElementById("menu03_submenu").style.display = 'block';
		document.getElementById("menu05_submenu").style.display = 'none';
		document.getElementById("topMenuSub").style.display = 'block';
	} else if(imgid == "4"){
		document.getElementById("menu01_submenu").style.display = 'none';
		document.getElementById("menu02_submenu").style.display = 'none';
		document.getElementById("menu03_submenu").style.display = 'none';
		document.getElementById("menu05_submenu").style.display = 'none';
		document.getElementById("topMenuSub").style.display = 'none';
	} else if(imgid == "5"){
		document.getElementById("menu01_submenu").style.display = 'none';
		document.getElementById("menu02_submenu").style.display = 'none';
		document.getElementById("menu03_submenu").style.display = 'none';
		document.getElementById("menu05_submenu").style.display = 'block';
		document.getElementById("topMenuSub").style.display = 'block';
	}
	swapMenuimg(imgid);
}

function hideMenu(obj){
	document.getElementById("menu01_submenu").style.display = 'none';
	document.getElementById("menu02_submenu").style.display = 'none';
	document.getElementById("menu03_submenu").style.display = 'none';
	document.getElementById("menu05_submenu").style.display = 'none';
	document.getElementById("topMenuSub").style.display = 'none';
	swapMenuimg('');
}
var curid = "";
var curimg = "";
var curoutimg = "";
function restoreMenu(imgid, outimg){
	var len = outimg.length;
	curid = imgid;
	curimg = outimg.substr(0,len-4);
	curimg = curimg+"_over.png";
	curoutimg = outimg;
	
	document.getElementById(imgid).src = outimg;
	if(ie_six=="yes"){
		document.getElementById(imgid+"_s").style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+outimg+"')"; 
	}
	//document.getElementById("topMenuSub").style.display = 'none';
	/*if(imgid != "menu04"){
		document.getElementById(imgid+"_submenu").style.display = 'none';
	}*/
}