// Menu Timer Functions

//simple browser check
version4=(parseInt(navigator.appVersion)>=4 && parseInt(navigator.appVersion)<=5)?1:0
msie=(document.all)?1:0
nets=(document.layers)?1:0

var hideit=0;

menulayer=new Array()
menulayer[0]="studylayer"
menulayer[1]="placeslayer"
menulayer[2]="studentlayer"
menulayer[3]="howlayer"
menulayer[4]="italyalayer"
menulayer[5]="fransalayer"

function keepmenu(){
	hideit=0;
}

function hidemenu(){
	hideit=1; setTimeout('hideall()',1000)
}

function hideall(){
	for(i=0;i<menulayer.length;i++){
		if(msie){ 
			if(hideit){ eval(menulayer[i]+'.style.visibility="hidden"') } 
		}
		if(nets){ 
			if(hideit){ eval('document.'+menulayer[i]+'.visibility="hide"') }
		}
	}
}