function ShowLayer(id) { 
	if(document.all) { document.all[id].style.visibility = "visible";} 
	if(document.layers) { document.layers[id].visibility = "show" ;} 
	if(document.getElementById) {
		document.getElementById(id).style.visibility='visible';
	} 
}
function HideLayer(id) { 
	if(document.all) { document.all[id].style.visibility = "hidden"; } 
	if(document.layers){ document.layers[id].visibility = "hide";} 
	if(document.getElementById) {
		document.getElementById(id).style.visibility='hidden';
	} 
}


function toggleLayer(layer_ref) { 
	if (layer_ref == 'nope' || layer_ref == '') { 
		return "";
	}

	if (document.all) { //IS IE 4 or 5 (or 6 beta) 
		hza = document.all[layer_ref];
		if (hza == null)return ""
		var bActive = hza.style.display != "block";
		hza.style.display = bActive ? "block" : "none";
	} 
	else if (document.layers) { //IS NETSCAPE 4 or below 
		var bActive = document.layers[layer_ref].display != "block";
		document.layers[layer_ref].display = bActive ? "block" : "none";
	} 
	else if (document.getElementById &&!document.all) { 
		hza = document.getElementById(layer_ref); 
		if (hza == null)return ""
		var bActive = hza.style.display;
		
		if(bActive == ""){
			hza.style.display = "block";
		}
		if(bActive == "none"){
			hza.style.display = "block";
		} else {
			hza.style.display = "none";
		}
	} 
} 

function toggleLayerwwwwwwwwwwwww(whichLayer){
	if (document.getElementById)	{
	// this is the way the standards work
	var style2 = document.getElementById(whichLayer).style;
	style2.display = style2.display ? "block" : "none";
	}
	else if (document.all)	{
	// this is the way old msie versions work
	var style2 = document.all[whichLayer].style;
	style2.display = style2.display ? "block" : "none";
	}
	else if (document.layers)	{
	// this is the way nn4 works
	var style2 = document.layers[whichLayer].style;
	style2.display = style2.display ? "block" : "none";
	}
		if(bActive == ""){
			hza.style.display = "block";
		}
		if(bActive == "none"){
			hza.style.display = "block";
		} else {
			hza.style.display = "none";
		}

}

var tooltip=function(){
	var id = 'tt';
	var top = 3;
	var left = 3;
	var maxw = 300;
	var speed = 10;
	var timer = 20;
	var endalpha = 95;
	var alpha = 0;
	var tt,t,c,b,h;
	var ie = document.all ? true : false;
	return{
		show:function(v,w){
			if(tt == null){
				tt = document.createElement('div');
				tt.setAttribute('id',id);
				t = document.createElement('div');
				t.setAttribute('id',id + 'top');
				c = document.createElement('div');
				c.setAttribute('id',id + 'cont');
				b = document.createElement('div');
				b.setAttribute('id',id + 'bot');
				tt.appendChild(t);
				tt.appendChild(c);
				tt.appendChild(b);
				document.body.appendChild(tt);
				tt.style.opacity = 0;
				tt.style.filter = 'alpha(opacity=0)';
				document.onmousemove = this.pos;
			}
			tt.style.display = 'block';
			c.innerHTML = v;
			tt.style.width = w ? w + 'px' : 'auto';
			if(!w && ie){
				t.style.display = 'none';
				b.style.display = 'none';
				tt.style.width = tt.offsetWidth;
				t.style.display = 'block';
				b.style.display = 'block';
			}
			if(tt.offsetWidth > maxw){tt.style.width = maxw + 'px'}
			h = parseInt(tt.offsetHeight) + top;
			clearInterval(tt.timer);
			tt.timer = setInterval(function(){tooltip.fade(1)},timer);
		},
		pos:function(e){
			var u = ie ? event.clientY + document.documentElement.scrollTop : e.pageY;
			var l = ie ? event.clientX + document.documentElement.scrollLeft : e.pageX;
			tt.style.top = (u - h) + 'px';
			tt.style.left = (l + left) + 'px';
		},
		fade:function(d){
			var a = alpha;
			if((a != endalpha && d == 1) || (a != 0 && d == -1)){
				var i = speed;
				if(endalpha - a < speed && d == 1){
					i = endalpha - a;
				}else if(alpha < speed && d == -1){
					i = a;
				}
				alpha = a + (i * d);
				tt.style.opacity = alpha * .01;
				tt.style.filter = 'alpha(opacity=' + alpha + ')';
			}else{
				clearInterval(tt.timer);
				if(d == -1){tt.style.display = 'none'}
			}
		},
		hide:function(){
			clearInterval(tt.timer);
			tt.timer = setInterval(function(){tooltip.fade(-1)},timer);
		}
	};
}();