var ids=new Array('layz');

function hideallids(){
	//loop through the array and hide each element by id
	for (var i=0;i<ids.length;i++){
		hidediv(ids[i]);
	}		  
}

function hidediv(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.visibility = 'hidden';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.visibility = 'hidden';
		}
		else { // IE 4
			document.all.id.style.visibility = 'hidden';
		}
	}
}

function ShowHide(id) {
obj = document.getElementsByTagName("div");
if (obj[id].style.visibility == 'visible'){
obj[id].style.visibility = 'hidden';
obj[id].style.height = '0px';
}
else {
hideallids();
obj[id].style.visibility = 'visible';
obj[id].style.height = 'auto';
}
}

function ShowHide2(id) {
obj = document.getElementsByTagName("div");
if (obj[id].style.display == 'block'){
obj[id].style.display = 'none';
obj[id].style.height = '0px';
}
else {
obj[id].style.display = 'block';
obj[id].style.height = 'auto';
}
}