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);

		}

	};
}();