var agt=navigator.userAgent.toLowerCase();

	var is_major = parseInt(navigator.appVersion);
	var is_minor = parseFloat(navigator.appVersion);

	var is_nav     = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) && (agt.indexOf('webtv')==-1));
	var is_nav2    = (is_nav && (is_major == 2));
	var is_nav3    = (is_nav && (is_major == 3));
	var is_nav4    = (is_nav && (is_major == 4));
	var is_nav4up  = (is_nav && (is_major >= 4));
	var is_navonly = (is_nav && ((agt.indexOf(";nav") != -1) || (agt.indexOf("; nav") != -1)) );
	var is_nav5    = (is_nav && (is_major == 5));
	var is_nav5up  = (is_nav && (is_major >= 5));

	var is_ie    = (agt.indexOf("msie") != -1);
	var is_ie3   = (is_ie && (is_major < 4));
	var is_ie4   = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")==-1) );
	var is_ie4up = (is_ie  && (is_major >= 4));
	var is_ie5   = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
	var is_ie5up = (is_ie  && !is_ie3 && !is_ie4);


var layer= new String();
var style= new String();
var i, current;
var running = 0;


if (is_nav5up){	
	style=".style";
}else if (is_nav4){	
	layer=".layers";
	style="";
}else if (is_ie4up){
	layer=".all";
	style=".style";
}

function rollover(name,n){
	hidelayer();
	changeState(name,'visible');
	//changecursor(n)
}

function rollOut(name){

	var loImage;
	var chkImage;
	
	layerRef=name;
	if ((is_nav4) || (is_ie4up)){
		lyr="document"+layer+"['"+layerRef+"']"+style+".visibility";
	}else if (is_nav5up){
		lyr="document.getElementById('"+layerRef+"').style.visibility";
	}
}


function changeState(layerRef,state){
	if (is_nav5up){
		evallayer="document.getElementById('"+layerRef+"').style.visibility='"+state+"'";
	}else{
		evallayer="document"+layer+"['"+layerRef+"']"+style+".visibility='"+state+"'";
	}
eval(evallayer);
}


function hidelayer(){
	if (is_nav5up){
		eval("document.getElementById('menudiv_tg').style.visibility='hidden'");
		eval("document.getElementById('menudiv_ll').style.visibility='hidden'");
				eval("document.getElementById('menudiv_bxg').style.visibility='hidden'");
		eval("document.getElementById('menudiv_gc').style.visibility='hidden'");
		eval("document.getElementById('menudiv_blank').style.visibility='hidden'");
	}else{	
		eval("document"+layer+"['menudiv_tg']"+style+".visibility='hidden'");
		eval("document"+layer+"['menudiv_ll']"+style+".visibility='hidden'");
				eval("document"+layer+"['menudiv_gc']"+style+".visibility='hidden'");
		eval("document"+layer+"['menudiv_bxg']"+style+".visibility='hidden'");
		eval("document"+layer+"['menudiv_blank']"+style+".visibility='hidden'");
	}
}
//function changecursor(n){
//	if (is_nav5up){
//		eval("document.getElementById('menu_cursor').style.width='"+n+"px'");
//		eval("document.getElementById('menu_cursor').style.width='"+n+"px'");
//	}else{	
//		eval("document"+layer+"['menu_cursor']"+style+".width='"+n+"px'");
//		eval("document"+layer+"['menu_cursor']"+style+".width='"+n+"px'");
//	}
//}
function interval(name)
{
	eval("document.getElementById(name).className = 'nav_a_out'");
	}