var tooltip=function(){
	var id = 'tt';
	var top = -43;
	var left = 3;
	var maxw = 300;
	var speed = 10;
	var timer = 20;
	var endalpha = 100;
	var alpha = 100;
	var tt,t,c,b,h;
	var ie = document.all ? true : false;
	var offT, offL, objH, objW;
	offT = 0; 
	offL = 0;
	objH = 50;
	objW = 50;
	var _l = 0;
	return{
		show:function(v,obj,w, l, t){
			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 = 100;
				tt.style.filter = 'alpha(opacity=100)';
				//document.onmouseover = this.pos;
				document.onmousemove = this.pos;
			}
			if (obj) {
				offT = obj.offsetTop; 
				offL = obj.offsetLeft;
				objH = obj.height ? obj.height:50;
				objW = obj.width ? obj.width:50;
			}
			else
			{
				offT = 0;
				offL = 0;
				objH = 0;
				objW = 0;
			}
			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 (l) {
				_l = l;
			}
			if (t){
				objH = parseInt(t);
			}
			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';
			if ((offT > 0) && (objH > 0))
			{
			if (_l > 0) {
				tt.style.top = (parseInt(offT) + parseInt(objH) -40) + 'px';
			}
			else {
				tt.style.top = (offT != undefined) ? (parseInt(offT) + parseInt(objH) -10) + 'px' : (u + h) + 'px';
			}
			tt.style.left = (_l > 0) ? _l + 'px' : (l + left) + 'px';
			}
			else
			{
				tt.style.top = '498px';
				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);
		}
	};
}();