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;
	//var holder;
	
 	return{
  		show: function(trigger, v, w ){
			try {
				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;
					//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);
				this.pos(trigger);
			}
			catch (err){ alert(err)}
			
		},
		pos:function(trigger){
			var triggerPosLeft = this.findPos(trigger)[0];
			var triggerPosTop = this.findPos(trigger)[1];
			tt.style.top = (triggerPosTop) + 'px';
			tt.style.left = (triggerPosLeft) + '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);
		},
		findPos:function(obj){
			var offsetLeft = 0;
			var offsetTop = 0;
			while(obj) {
				offsetLeft += obj.offsetLeft;
				offsetTop += obj.offsetTop;
				obj = obj.offsetParent;
			}
			return [offsetLeft, offsetTop];
		}
	};
}();