function toggleDisplay(div_but){
	div_but.setAttribute('hideshow',1 - Number(div_but.getAttribute('hideshow')) )
	hideshow(div_but)
	if(!div_but.getAttribute('nocookie')){
		writeCookie(div_but.getAttribute('showhideDiv'),div_but.getAttribute('hideshow'))
	}
	
}
function saveBalkStatus(){
		a = document.getElementsByName('balk')
		for(var i=0;i<a.length;i++){
			writeCookie(a[i].getAttribute('showhideDiv'),a[i].getAttribute('hideshow'))
		}
	}
	function restoreBalkStatus(){
		a = document.getElementsByName('balk')
		for(var ii=0;ii<a.length;ii++){
			if(readCookie(a[ii].getAttribute('showhideDiv'))){
				a[ii].setAttribute('hideshow',readCookie(a[ii].getAttribute('showhideDiv')))
				hideshow(a[ii])
			}

		}
	}
function hideshow(div_but){
	div_balk=div_but.getAttribute('showhideDiv')
	if(Number(div_but.getAttribute('hideshow'))<1){
		document.getElementById(div_balk).style.display='none'
	} else {
		document.getElementById(div_balk).style.display='block'
	}
}
function showel(id){
	document.getElementById(id).style.display='block'
}
function showelByName(name){
	a = document.getElementsByName(name)
	for (var i=0;i<=a.length;i++){
		if(typeof(a[i])=='object'){
			a[i].style.display='block'
		}
		
	}
}