function hideshow(which){
	if (!document.getElementById)
		return
	if (which.style.display=="block")
		which.style.display="none"
	else
		which.style.display="block"
}


function hide(which){
	which.style.display="none"
}

function show(which){
	which.style.display="block"
}

function hideOLD(which){
	if (!document.getElementById(which))
		return
	document.getElementById(which).style.display="none"
}

function showOLD(which){
	if (!document.getElementById(which))
		return
	document.getElementById(which).style.display="block"
}



function hideallname(name){
	var hideme=document.getElementsByName(name);
	for(i=0; i < hideme.length; i++){
		hideme[i].style.display="none";
	}
}

function showallname(name){
	var showme=document.getElementsByName(name);
	for(i=0; i < showme.length; i++){
		showme[i].style.display="block";
	}
}

document.getElementsByClassName = function(cl) {
	var retnode = [];
	var myclass = new RegExp('\\b'+cl+'\\b');
	var elem = this.getElementsByTagName('*');
	for (var i = 0; i < elem.length; i++) {
		var classes = elem[i].className;
		if (myclass.test(classes)) 
			retnode.push(elem[i]);
	}
	return retnode;
};

function hideallclass(name){
	var hideme=document.getElementsByClassName(name);
	for(i=0; i < hideme.length; i++){
		hideme[i].style.display="none";
	}
}

function showMeNav(which){
	hideallclass("ausan");
	which.style.display="block";
}